Citation:

odp.proc.sr.190196.204.2003

Name: (Table T1) Sedimentology, petrography and biostratigraphy of volcanic ash and siliceous claystone from ODP Hole 190-1173A
Published: 2003
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Ocean Drilling Program (ODP)

Coverage:

Latitude: 32.244380 * Longitude: 135.025150

Date/Time Start: 2000-05-28T12:02:00 * Date/Time End: 2000-06-07T04:45:00

Minimum DEPTH, sediment/rock: 3.435 m * Maximum DEPTH, sediment/rock: 696.030 m

Event(s):

190-1173A * Latitude: 32.244380 * Longitude: 135.025150 * Date/Time Start: 2000-05-28T12:02:00 * Date/Time End: 2000-06-07T04:45:00 * Elevation: -4790.7 m * Penetration: 734.3 m * Recovery: 658.1 m * Location: Philippine Sea * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 77 cores; 734.3 m cored; 0 m drilled; 89.6 % recovery

Comment:

Sediment depth is given in mbsf. Lithology: D = dominant, M = minor. Constituents: D = dominant (>50%), A = abundant (50%-20%), C = common (20%-5%), P = present (5%-1%), R = rare (1%-0.1%), t = trace, x = found, - = not found.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample code/label	Sample label		Wilson, Moyra E J	DSDP/ODP/IODP sample designation
2	Depth, top/min	Depth top	m	Wilson, Moyra E J
3	Depth, bottom/max	Depth bot	m	Wilson, Moyra E J
4	DEPTH, sediment/rock	Depth sed	m			Geocode
5	Sample thickness	Samp thick	cm	Wilson, Moyra E J
6	Lithologic unit/sequence	Unit		Wilson, Moyra E J
7	Epoch	Epoch		Wilson, Moyra E J
8	Nannofossil zone	Nannos zone		Wilson, Moyra E J
9	Color description	Color desc		Wilson, Moyra E J
10	Grain size description	Grain size descr		Wilson, Moyra E J
11	Sample comment	Sample comment		Wilson, Moyra E J		sedimentary structures
12	Description	Description		Wilson, Moyra E J		base contact
13	Description	Description		Wilson, Moyra E J		top contact
14	Section	Sect		Wilson, Moyra E J		Sample ID and section (cm) where sample was taken
15	Section position	Sect	cm	Wilson, Moyra E J		where smear slide was taken
16	Depth, reference	Depth ref	m	Wilson, Moyra E J		smear slide depth in mbsf
17	Description	Description		Wilson, Moyra E J	Smear slide analysis	lithology
18	Sand	Sand		Wilson, Moyra E J	Smear slide analysis	coarse, including gravel
19	Sand	Sand		Wilson, Moyra E J	Smear slide analysis	medium
20	Sand	Sand		Wilson, Moyra E J	Smear slide analysis	fine
21	Silt	Silt		Wilson, Moyra E J	Smear slide analysis
22	Clay	Clay		Wilson, Moyra E J	Smear slide analysis
23	Sorting description	Sort descr		Wilson, Moyra E J	Smear slide analysis
24	Minerals	Minerals		Wilson, Moyra E J	Smear slide analysis	accessory
25	Biotite	Bt		Wilson, Moyra E J	Smear slide analysis
26	Carbonates	Carb		Wilson, Moyra E J	Smear slide analysis
27	Clay minerals	Clay min		Wilson, Moyra E J	Smear slide analysis
28	Feldspar	Fsp		Wilson, Moyra E J	Smear slide analysis
29	Muscovite	Ms		Wilson, Moyra E J	Smear slide analysis
30	Opaque minerals	Opaque		Wilson, Moyra E J	Smear slide analysis
31	Pyrite	Py		Wilson, Moyra E J	Smear slide analysis
32	Quartz	Qz		Wilson, Moyra E J	Smear slide analysis
33	Volcanic glass	Volc glass		Wilson, Moyra E J	Smear slide analysis
34	Zeolite	Zeo		Wilson, Moyra E J	Smear slide analysis
35	Diatom abundance	Diatom abund		Wilson, Moyra E J	Smear slide analysis
36	Foraminifera	Foram		Wilson, Moyra E J	Smear slide analysis
37	Nannofossil abundance	Nannos abund		Wilson, Moyra E J	Smear slide analysis
38	Radiolarians abundance	Rad abund		Wilson, Moyra E J	Smear slide analysis
39	Silicoflagellate abundance	Silicoflag abund		Wilson, Moyra E J	Smear slide analysis
40	Sponge spiculae	Sponge spic		Wilson, Moyra E J	Smear slide analysis
41	Igneous rock	Igneous rock		Wilson, Moyra E J	Smear slide analysis	fragments
42	Lithic grains	Lithic		Wilson, Moyra E J	Smear slide analysis	undifferentiated
43	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	0%-30% glass clay/silt altered to clays
44	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	30%-65% glass clay/silt altered to clays
45	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	0%-30% glass fine/medium altered to clays
46	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	Glass dissolution, scalloped margins
47	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	65%-100% glass clay/silt altered to clays
48	Feldspar	Fsp		Wilson, Moyra E J	Smear slide analysis	altered to clays
49	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	30%-65% glass fine/medium altered to clays
50	Volcanic glass, altered	Volc glass alt		Wilson, Moyra E J	Smear slide analysis	50%-100% glass fine/medium altered to clays
51	Lithology/composition/facies	Lithology		Wilson, Moyra E J	Smear slide analysis

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

4035 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Sample label (DSDP/ODP/IODP sample designation)	2 Depth top [m]	3 Depth bot [m]	4 Depth sed [m]	5 Samp thick [cm]	6 Unit	7 Epoch	8 Nannos zone	9 Color desc	10 Grain size descr	11 Sample comment (sedimentary structures)	12 Description (base contact)	13 Description (top contact)	14 Sect (Sample ID and section (cm) wh...)	15 Sect [cm] (where smear slide was taken)	16 Depth ref [m] (smear slide depth in mbsf)	17 Description (lithology, Smear slide analysis)	18 Sand (coarse, including gravel, Sme...)	19 Sand (medium, Smear slide analysis)	20 Sand (fine, Smear slide analysis)	21 Silt (Smear slide analysis)	22 Clay (Smear slide analysis)	23 Sort descr (Smear slide analysis)	24 Minerals (accessory, Smear slide analysis)	25 Bt (Smear slide analysis)	26 Carb (Smear slide analysis)	27 Clay min (Smear slide analysis)	28 Fsp (Smear slide analysis)	29 Ms (Smear slide analysis)	30 Opaque (Smear slide analysis)	31 Py (Smear slide analysis)	32 Qz (Smear slide analysis)	33 Volc glass (Smear slide analysis)	34 Zeo (Smear slide analysis)	35 Diatom abund (Smear slide analysis)	36 Foram (Smear slide analysis)	37 Nannos abund (Smear slide analysis)	38 Rad abund (Smear slide analysis)	39 Silicoflag abund (Smear slide analysis)	40 Sponge spic (Smear slide analysis)	41 Igneous rock (fragments, Smear slide analysis)	42 Lithic (undifferentiated, Smear slide...)	43 Volc glass alt (0%-30% glass clay/silt altere...)	44 Volc glass alt (30%-65% glass clay/silt alter...)	45 Volc glass alt (0%-30% glass fine/medium alte...)	46 Volc glass alt (Glass dissolution, scalloped ...)	47 Volc glass alt (65%-100% glass clay/silt alte...)	48 Fsp (altered to clays, Smear slide...)	49 Volc glass alt (30%-65% glass fine/medium alt...)	50 Volc glass alt (50%-100% glass fine/medium al...)	51 Lithology (Smear slide analysis)
190-1173A-1H-3,40-47	3.40	3.47	3.435	7	outer trench wedge	Pleistocene	NN21a	Brown	Silt	Fining upward	Sharp, irregular	Diffuse	1) s 41-45	47.0	3.47	D	-	-	C	D	A	M	R	P	-	A	A	R	R	-	P	P	-	P	t	R	R	t	P	P	R	x	-	-	-	-	-	-	-	Vitric ash and clayey silt
190-1173A-5H-1,7-38	35.67	35.98	35.825	31	outer trench wedge	Pleistocene	NN21a	Gray brown	Sand at base, fining upward to silt	Ash laminae	Sharp	Diffuse	2) s 35-38	38.0	36.02	M	-	-	D	C	C	M	-	-	-	t	C	-	-	-	P	D	-	-	-	P	t	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-5H-6,117-118	44.31	44.32	44.315	1	outer trench wedge	Pleistocene	NN21a	Light gray			Sharp	Sharp		117.0	44.31	M	-	-	C	D	A	M	C	-	-	A	C	-	-	-	P	A	-	-	-	-	t	-	t	-	t	-	-	-	-	-	-	-	-	Vitric tuff
190-1173A-7H-4,13-17	59.27	59.31	59.290	4	outer trench wedge	Pleistocene	NN21	Light green gray	Silt	Clay rich bands	Sharp	Sharp		15.0	59.29	M	-	-	C	D	P	M	P	-	-	-	C	-	-	-	C	D	-	R	-	P	R	R	C	-	t	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-8H-1,45-46	64.59	64.60	64.595	1	outer trench wedge	Pleistocene	NN21	Green			Diffuse	Diffuse
190-1173A-9H-1,100-102	74.64	74.66	74.650	2	outer trench wedge	Pleistocene	NN21	Pale brown		Drilling disturbance	Sharp, irregular	Sharp		101.0	74.65	M	-	-	D	C	C	P	C	-	-	-	-	-	-	-	C	A	-	P	-	R	-	R	R	-	C	x	-	-	-	-	-	-	-	Vitric tuff and silty clay
190-1173A-10H-1,23-28	83.37	83.42	83.395	5	trench to basin transition	Pleistocene	NN21	Pale gray		Disturbed to soupy	?	?
190-1173A-10H-1,84-87	83.98	84.01	83.995	3	trench to basin transition	Pleistocene	NN21	Greeny gray		Intermixed with silty clay (during drilling)	?	?
190-1173A-10H-1,120-124	84.34	84.38	84.360	4	trench to basin transition	Pleistocene	NN21	Brown/greenish gray			Sharp	Diffuse
190-1173A-10H-2,84-94	85.48	85.58	85.530	10	trench to basin transition	Pleistocene	NN21	Brownish gray	Sandy silt	Drilling disturbance	Diffuse	Diffuse		92.0	85.56	M	-	-	D	A	C	P	P	-	-	C	P	-	-	-	P	A	-	P	P	C	P	-	P	-	-	x	-	-	-	-	-	-	-	Vitric tuff and silty clay
190-1173A-10H-3,0-4	86.14	86.18	86.160	4	trench to basin transition	Pleistocene	NN21	Brown		Scattered ash	Sharp, irregular	?		2.0	86.16	M	-	-	D	A	C	M	P	-	-	C	P	-	-	-	P	A	-	-	P	P	-	-	-	-	P	-	-	-	-	-	-	-	-	Vitric tuff
190-1173A-10H-5,9-10	89.23	89.24	89.235	1	trench to basin transition	Pleistocene	NN21			Scattered ash	Diffuse	?
190-1173A-10H-5,133-134	90.47	90.48	90.475	1	trench to basin transition	Pleistocene	NN21	Pale brown		Fining upward	Diffuse	Diffuse
190-1173A-10H-6,133-135	92.03	92.05	92.040	2	trench to basin transition	Pleistocene	NN21	Browny white	Silty sand fining to sandy silt		Sharp	Sharp	3) s 132-135	135.0	92.05	M	-	-	A	A	C	M	P	-	-	P	P	-	-	-	P	D	-	-	-	P	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-11H-1,67-68	93.31	93.32	93.315	1	trench to basin transition	Pleistocene	NN21	Gray		Bed inclined 9°, fining upward	Sharp	Diffuse
190-1173A-11H-1,135-137	93.99	94.01	94.000	2	trench to basin transition	Pleistocene	NN21	Gray			Sharp	Diffuse
190-1173A-11H-2,47-48	94.61	94.62	94.615	1	trench to basin transition	Pleistocene	NN21	Greeny gray			?	?
190-1173A-11H-2,84-88	94.98	95.02	95.000	4	trench to basin transition	Pleistocene	NN21	Greeny gray	Sandy silt	Irregular base, 15°-20°	Sharp	Sharp
190-1173A-11H-3,30-33	95.94	95.97	95.955	3	trench to basin transition	Pleistocene	NN21	Gray		Plane parallel lamination	Sharp, irregular	Diffuse
190-1173A-11H-3,53-55	96.17	96.19	96.180	2	trench to basin transition	Pleistocene	NN21	Gray		2 laminae fining upward,	Sharp, irregular	Diffuse
190-1173A-11H-3,129-131	96.93	96.95	96.940	2	trench to basin transition	Pleistocene	NN21	Pale gray to dark gray	Fining upward		Sharp, irregular	Diffuse
190-1173A-11H-4,28-30	97.42	97.44	97.430	2	trench to basin transition	Pleistocene	NN21	Gray		Sharp base, diffuse top	Sharp, irregular	Sharp
190-1173A-11H-4,55-57	97.69	97.71	97.700	2	trench to basin transition	Pleistocene	NN21	Gray		Sharp base, diffuse top	Sharp, irregular	Diffuse
190-1173A-11H-4,90-91	98.04	98.05	98.045	1	trench to basin transition	Pleistocene	NN21	Gray		Fining upward	Sharp, irregular	Diffuse
190-1173A-11H-4,102-105	98.16	98.19	98.175	3	trench to basin transition	Pleistocene	NN21	Gray		Lapilli fine upward, diffuse top	Sharp	Diffuse
190-1173A-11H-5,113-120	99.77	99.84	99.805	7	trench to basin transition	Pleistocene	NN21	Greeny gray to pale gray	Lapilli fine upward	Lapilli fines upward	Diffuse	Diffuse	4) s 112-118
190-1173A-11H-5,120-124	99.84	99.88	99.860	4	trench to basin transition	Pleistocene	NN21	Dark gray	Lapilli fines upward	Irregular base, 15°, fines upward	Sharp, irregular	Sharp, irregular	5) s 119-124	121.0	99.85	M	P	C	C	A	A	P	-	-	-	-	P	-	-	-	P	A	-	-	-	-	-	-	-	-	A	x	-	-	-	-	-	-	-	Vitric ash with pumice lapilli
190-1173A-11H-5,126-128	99.90	99.92	99.910	2	trench to basin transition	Pleistocene	NN21		Fines upward	Irregular plane-parallel base	Sharp, irregular
190-1173A-11H-5,138-143	100.02	100.07	100.045	5	trench to basin transition	Pleistocene	NN21	Pale gray	Fines upward		Sharp irregular	Diffuse	6) s 138-143
190-1173A-11H-6,29-31	100.43	100.45	100.440	2	trench to basin transition	Pleistocene	NN21	Gray			Sharp, irregular	Diffuse
190-1173A-11H-6,44-46	100.58	100.60	100.590	2	trench to basin transition	Pleistocene	NN21	Gray			Sharp, irregular	Diffuse
190-1173A-11H-6,80-81	100.94	100.95	100.945	1	trench to basin transition	Pleistocene	NN21	Gray			Sharp, irregular	Diffuse
190-1173A-11H-6,91-92	101.05	101.06	101.055	1	trench to basin transition	Pleistocene	NN21	Gray		Fines upward, sand to silty clay	Sharp, irregular	Diffuse
190-1173A-11H-6,108-110	101.22	101.24	101.230	2	trench to basin transition	Pleistocene	NN21	Gray	Fines upward, sand to silty clay		Sharp, irregular	Diffuse
190-1173A-11H-6,128-130	101.42	101.44	101.430	2	trench to basin transition	Pleistocene	NN21	Gray			Sharp, irregular	Diffuse
190-1173A-11H-7,40-41	102.04	102.05	102.045	1	trench to basin transition	Pleistocene	NN21	Gray			?	?
190-1173A-12H-1,123-129	103.37	103.43	103.400	6	upper Shikoku Basin	Pleistocene	NN21	Gray	Fines upward	Diffuse color bands	Sharp, irregular
190-1173A-12H-1,134-137	103.48	103.51	103.495	3	upper Shikoku Basin	Pleistocene	NN21	Gray base, greenish gray to pinky gray			Diffuse	Diffuse
190-1173A-12H-2,132-136	104.96	105.00	104.980	4	upper Shikoku Basin	Pleistocene	NN21	Light red to light gray	Base fines upward	Irregular lens	Sharp, irregular	Sharp, irregular	7) s 133-135	134.0	104.98	M	-	P	A	A	C	P	-	-	-	-	-	-	-	-	P	D	-	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-12H-3,97-98	106.11	106.12	106.115	1	upper Shikoku Basin	Pleistocene	NN21			Plane parallel lamination, 17 laminae	Sharp, irregular	Diffuse
190-1173A-12H-4,100-119	107.64	107.83	107.735	19	upper Shikoku Basin	Pleistocene	NN21	Gray	Fines upward at base		Sharp, irregular	Diffuse		111.0	107.75	M	-	-	D	A	C	P	P	-	-	-	P	-	-	-	P	D	-	-	-	C	-	-	P	-	-	x	-	-	-	-	-	-	-	Vitric tuff with silty clay
190-1173A-12H-4,120-124	107.84	107.88	107.860	4	upper Shikoku Basin	Pleistocene	NN21	Gray	Fining upward		Sharp	Diffuse	8) s 121-125
190-1173A-12H-4,124-128	107.88	107.92	107.900	4	upper Shikoku Basin	Pleistocene	NN21	Gray	Fining upward		Sharp	Sharp		125.0	107.89	M	-	P	D	A	C	P	C	-	-	-	P	-	-	-	P	A	-	R	-	C	P	R	P	-	A	x	-	-	-	-	-	-	-	Vitric crystal tuff with silty clay
190-1173A-12H-4,128-131	107.92	107.95	107.935	3	upper Shikoku Basin	Pleistocene	NN21	Gray	Fining upward		Sharp	Sharp
190-1173A-12H-4,131-132	107.95	107.96	107.955	1	upper Shikoku Basin	Pleistocene	NN21	Gray	Fining upward		Sharp	Sharp
190-1173A-12H-6,3-16	109.67	109.80	109.735	13	upper Shikoku Basin	Pleistocene	NN21	Yellow brown at base to brown			Sharp	Diffuse	9) s 9-13	9.0	109.73	M	-	-	A	A	C	M	P	-	-	-	-	-	-	-	P	D	-	-	-	R	-	-	-	-	-	-	-	-	-	-	-	-	-	Vitric tuff
190-1173A-13H-1,65-66	112.29	112.30	112.295	1	upper Shikoku Basin	Pleistocene	NN21	Gray to white	Fines upward		Sharp	Diffuse
190-1173A-13H-1,131-134	112.95	112.98	112.965	3	upper Shikoku Basin	Pleistocene	NN21	Gray to white	Fines upward		Sharp	Diffuse	10) s 131-135
190-1173A-13H-6,104-111	120.18	120.25	120.215	7	upper Shikoku Basin	Pleistocene	NN20	Brown to green	Fines upward		Sharp, scoured	Diffuse	11) s 110-114
190-1173A-13H-6,114-117	120.28	120.31	120.295	3	upper Shikoku Basin	Pleistocene	NN20	Brown			Sharp	Sharp
190-1173A-13H-6,118-122	120.32	120.36	120.340	4	upper Shikoku Basin	Pleistocene	NN20	Light gray to green ash			Sharp	Sharp
190-1173A-13H-6,122-125	120.36	120.38	120.370	3	upper Shikoku Basin	Pleistocene	NN20	Brown ash			?	Sharp
190-1173A-13H-7,0-4	120.38	120.42	120.400	4	upper Shikoku Basin	Pleistocene	NN20	White layer			Sharp	?
190-1173A-14H-1,6-4				-2	upper Shikoku Basin	Pleistocene	NN20			Bioturbated	Sharp	Diffuse
190-1173A-14H-3,99-107	125.13	125.21	125.170	8	upper Shikoku Basin	Pleistocene	NN20	White/brown to gray green	Fines upward		Sharp	Diffuse	12) s 105-107	106.0	125.20	M	-	-	D	A	C	M	-	-	-	C	P	-	-	-	P	D	-	-	-	P	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (white)
190-1173A-15H-1,130-144	131.94	132.08	132.010	14	upper Shikoku Basin	Pleistocene	NN20		Fines upward	Bioturbated	Sharp	Diffuse		143.0	132.07	M	-	-	A	A	A	M	C	-	-	-	P	-	-	-	C	C	-	R	-	C	-	-	-	-	C	x	-	-	-	-	-	-	-	Vitric tuff and silty clay
190-1173A-15H-2,24-37	132.38	132.51	132.445	13	upper Shikoku Basin	Pleistocene	NN20	White	Fines upward from medium sand		Sharp	Diffuse	13) s 33-36
190-1173A-15H-5,41-44	137.05	137.08	137.065	3	upper Shikoku Basin	Pleistocene	NN20	Light gray to buff	Fining upward, sand at base		Sharp	Diffuse
190-1173A-15H-5,103-113	137.67	137.77	137.720	10	upper Shikoku Basin	Pleistocene	NN20	Light gray to buff	Fining upward, sand at base	Lens of volcanic ash	Sharp base	Diffuse	14) s 110-111t			M	-	P	A	A	C	M	P	t	-	P	C	-	-	P	C	D	-	-	-	-	-	-	-	P	-	x	-	-	-	-	-	-	-	Vitric crystal tuff
190-1173A-15H-6,20-22	138.34	138.36	138.350	2	upper Shikoku Basin	Pleistocene	NN20	Light gray to buff
190-1173A-15H-6,43-46	138.57	138.60	138.585	3	upper Shikoku Basin	Pleistocene	NN20	Light gray to buff	Fine sand silt		Sharp	Sharp
190-1173A-16H-3,2-15	143.16	143.29	143.225	13	upper Shikoku Basin	Pleistocene	NN20	Gray	Sand at base, fining upward	Irregular patch	Sharp, irregular	?	15) s 8-13
190-1173A-16H-3,34-36	143.48	143.50	143.490	2	upper Shikoku Basin	Pleistocene	NN20	Gray		Irregular top and base
190-1173A-16H-5,111-115	147.25	147.29	147.270	4	upper Shikoku Basin	Pleistocene	NN20	Light gray		Irregular patch	Diffuse, irregular	Diffuse, irregular		113.0	147.27	M	-	-	A	D	t	M	R	-	-	-	-	-	-	-	-	D	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Vitric tuff
190-1173A-16H-6,6-8	147.70	147.72	147.710	2	upper Shikoku Basin	Pleistocene	NN20	Gray		Irregular patch	Diffuse	Diffuse
190-1173A-16H-6,52-55	148.16	148.19	148.175	3	upper Shikoku Basin	Pleistocene	NN20	Gray			Diffuse	Diffuse
190-1173A-17H-1,43-53	150.07	150.17	150.120	10	upper Shikoku Basin	Pleistocene	NN20	Light to dark gray, green patches	Fining upward		Sharp	Diffuse		50.0	150.14	M	-	-	C	D	t	M	P	-	-	-	P	-	P	-	P	D	-	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric crystal tuff
190-1173A-17H-3,5-14	152.69	152.78	152.735	9	upper Shikoku Basin	Pleistocene	NN20		Fining upward, sand at base		Sharp	Diffuse
190-1173A-17H-5,55-64	156.19	156.28	156.235	9	upper Shikoku Basin	Pleistocene	NN20	Dark gray to buff, light gray	Fining upward		Sharp	Diffuse	16) s 57-61.5
190-1173A-17H-6,5-7	157.19	157.21	157.200	2	upper Shikoku Basin	Pleistocene	NN20	Light gray	Fining upward		Sharp	Diffuse
190-1173A-17H-6,66-71	157.80	157.85	157.825	5	upper Shikoku Basin	Pleistocene	NN20	Light gray	Fining upward		Sharp	Diffuse
190-1173A-18H-2,41-46	161.05	161.10	161.075	5	upper Shikoku Basin	Pleistocene	NN20	Medium gray	Fine sand silt		Sharp, irregular	Diffuse
190-1173A-18H-5,51-57	165.65	165.71	165.680	6	upper Shikoku Basin	Pleistocene	NN20	Green to light gray		Whole round taken	Sharp	Diffuse	17) s 51-57
190-1173A-18H-6,28-35	166.92	166.99	166.955	7	upper Shikoku Basin	Pleistocene	NN20			Irregular, contorted color banding
190-1173A-19H-1,14-22	168.78	168.86	168.820	8	upper Shikoku Basin	Pleistocene	NN20	Green white to light greenish gray, light greeny spots	Fining upward, sandy silt to silty clay		Sharp	Diffuse	18) s 18-21	20.0	168.84	M	-	-	C	D	P	M	P	-	-	P	-	-	-	-	-	D	-	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric ash (white to green)
190-1173A-19H-1,82-98	169.46	169.62	169.540	16	upper Shikoku Basin	Pleistocene	NN20	Pale gray (97-98 cm)	Sand, silty sand layers overlain by a	Soupy	Sharp	Irregular, sharp	19) s 91-94	93.0	169.57	M	P	C	A	A	C	M	R	-	-	-	-	-	A	-	P	D	-	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff (pale gray)
190-1173A-19H-1,82-98	169.46	169.62	169.540	16	upper Shikoku Basin	Pleistocene	NN20	Dark gray (97-96 cm)	fining upward silt layer into silty	Soupy	Sharp	Irregular, sharp	19) s 91-94	96.0		M	-	-	C	D	C	P	-	-	-	-	-	-	R	-	P	A	-	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff (dark gray)
190-1173A-19H-1,82-98	169.46	169.62	169.540	16	upper Shikoku Basin	Pleistocene	NN20	Pale gray, greeny light gray	clay, overlain by sandy silt coarsening upward to silty sand	Soupy	Sharp	Irregular, sharp	19) s 91-94	97.0		M	-	-	C	D	P	M	-	-	-	-	-	-	-	-	P	D	-	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff (pale gray)
190-1173A-19H-3,4-14	171.68	171.78	171.730	10	upper Shikoku Basin	Pleistocene	NN20	Pale gray to greeny gray			Sharp, irregular	Diffuse	20) s 6-9
190-1173A-19H-3,37-39	172.01	172.03	172.020	2	upper Shikoku Basin	Pleistocene	NN20	Pale gray, dark gray, greeny gray		Discontinuous lens	Sharp, irregular	Diffuse
190-1173A-19H-3,100-103	172.64	172.67	172.655	3	upper Shikoku Basin	Pleistocene	NN20	White to pale gray			Sharp, irregular	Diffuse		103.0	172.67	M	-	-	A	A	C	M	-	-	-	-	-	-	-	-	R	D	-	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (white)
190-1173A-20H-2,26-28	179.90	179.92	179.910	2	upper Shikoku Basin	Pleistocene	NN20	Medium gray			Sharp, irregular	Diffuse		27.0	179.91	M	-	-	C	D	C	M	-	-	-	-	-	-	C	-	P	D	-	-	-	-	-	-	-	-	R	x	-	-	-	-	-	-	-	Vitric tuff (medium gray)
190-1173A-21H-6,108-111	196.22	196.25	196.235	3	upper Shikoku Basin	Pleistocene	NN20				Sharp, irregular	Diffuse	21) s 109-111	111.0	196.25	M	-	-	D	A	C	M	P	-	-	-	P	-	-	-	P	D	-	-	-	P	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-22H-1,74-77	197.88	197.91	197.895	3	upper Shikoku Basin	Pleistocene	NN20	Light gray to green			Sharp	Sharp		76.0	197.90	M	-	-	C	D	C	M	P	-	-	-	-	-	-	-	P	D	-	-	-	R	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-22H-2,75-82	199.39	199.46	199.425	7	upper Shikoku Basin	Pleistocene	NN20	Light gray to dark gray in center, medium gray to green at top	Fines upward		Sharp	Diffuse	22) s 77-82	81.0	199.45	M	P	P	C	D	C	P	P	-	-	-	P	-	-	-	P	D	-	-	-	P	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff with pumice lapilli
190-1173A-22H-4,56-57	202.20	202.21	202.205	1	upper Shikoku Basin	Pleistocene	NN20	Gray (black particles)	Sand particles		Sharp	Sharp		56.0	199.20	M	P	P	A	A	C	P	P	-	-	-	P	-	-	-	P	D	-	-	-	P	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric crystal tuff
190-1173A-22H-5,26-27	203.40	203.41	203.405	1	upper Shikoku Basin	Pleistocene	NN20	Dark gray to light gray			Sharp	Sharp	23) s 26-28
190-1173A-23H-1,126-133	207.90	207.97	207.935	7	upper Shikoku Basin	Pleistocene	NN20	Black to light gray	Coarse base		Sharp	Diffuse	24) s 130-132	129.0	207.93	M	-	-	C	A	A	M	P	-	-	-	-	-	C	-	P	D	P	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-23H-2,84-87	208.98	209.01	208.995	3	upper Shikoku Basin	Pleistocene	NN20	White to light gray	Fining upward	Lensoidal	Sharp	Diffuse
190-1173A-23H-3,50-54	210.14	210.18	210.160	4	upper Shikoku Basin	Pleistocene	NN20	Black		Diffuse top and base	Sharp	Diffuse	25) s 51-54	52.0	210.16	M	-	-	A	A	A	M	P	-	-	-	-	-	P	-	P	D	P	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-24H-3,57-62	219.71	219.76	219.735	5	upper Shikoku Basin	Pleistocene	NN20				Diffuse	Diffuse
190-1173A-24H-3,93-110	220.07	220.24	220.155	17	upper Shikoku Basin	Pleistocene	NN20	Light gray to dark gray (sand) to green to gray to light gray	Inverse and normal grading	Lens	Sharp	Diffuse	26) s 98-100, 27) 102-105, 28) 108-110	102.0	220.16	M	C	C	A	C	C	P	P	-	-	-	P	-	P	-	P	D	R	-	-	P	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (dark gray to green)
190-1173A-24H-5,9-10	222.23	222.24	222.235	1	upper Shikoku Basin	Pleistocene	NN20	Gray
190-1173A-25X-3,29-38	228.93	229.02	228.975	9	upper Shikoku Basin	Pleistocene	NN20	Green			Sharp, irregular	Diffuse	29) s 32-35	33.5	228.98	M	-	P	D	A	C	M	P	-	-	P	-	-	P	-	C	D	-	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric crystal tuff (pale gray)
190-1173A-25X-3,29-38	228.93	229.02	228.975	9	upper Shikoku Basin	Pleistocene	NN20	Pale gray white			Sharp, irregular	Diffuse	29) s 32-35	35.0	228.99	M	-	-	D	A	P	M	R	-	-	C	-	-	P	-	P	D	-	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric crystal tuff (white)
190-1173A-25X-3,29-38	228.93	229.02	228.975	9	upper Shikoku Basin	Pleistocene	NN20	Pale gray			Sharp, irregular	Diffuse	29) s 32-35	38.0	229.02	M	-	-	C	D	A	M	P	-	-	-	-	-	-	-	P	D	-	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric crystal ruff (green)
190-1173A-25X-5,20-23	231.84	231.87	231.855	3	upper Shikoku Basin	Pleistocene	NN20	Gray, pale gray	Silty sand to sandy silt, normally graded		Sharp, irregular	Diffuse	30) s 20 -23	21.0	231.85	M	-	P	A	A	P	P	P	-	-	-	-	-	C	-	C	D	P	-	-	-	-	-	-	-	C	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-25X-6,9-14	233.23	233.28	233.255	5	upper Shikoku Basin	Pleistocene	NN20	Pale white, gray to pale white	Contorted		Sharp, irregular	Diffuse	31) s 10-13
190-1173A-25X-6,73-79	233.87	233.93	233.900	6	upper Shikoku Basin	Pleistocene	NN20	Brown gray, gray, white	Irregular, contorted	Soupy	Sharp	Diffuse, irregular	32) s 75-78
190-1173A-26X-1,122-125	236.46	236.49	236.475	3	upper Shikoku Basin	Pliocene	NN20	Green to dark brown			Sharp	Diffuse	33) s 122-125
190-1173A-26X-5,70-74	241.94	241.98	241.960	4	upper Shikoku Basin	Pliocene	NN19	Light to dark gray	Laminated		Sharp	Diffuse	34) s 70-74	72.0	241.96	M	-	-	C	D	P	M	-	-	-	-	-	-	P	-	P	D	R	-	-	-	-	-	-	-	P	x	-	-	-	-	-	-	-	Vitric tuff (light/dark gray)
190-1173A-28X-2,26-37	256.30	256.41	256.355	11	upper Shikoku Basin	Pliocene	NN19	Greeny white to pale gray	Sandy silt	Laminated	Sharp, irregular	Diffuse	35) s 33-37
190-1173A-28X-CC,5-14	264.10	264.19	264.145	9	upper Shikoku Basin	Pliocene	NN18	Pale gray, dark gray laminae			Sharp, irregular	Diffuse	36) s 5-7.5	8.0	264.13	M	-	-	C	D	C	M	P	-	-	-	-	-	C	-	P	D	P	-	-	-	-	-	-	-	R	x	-	-	-	-	-	-	-	Vitric tuff (dark gray laminae)
190-1173A-28X-CC,5-14	264.10	264.19	264.145	9	upper Shikoku Basin	Pliocene	NN18	Pale gray, dark gray laminae			Sharp, irregular	Diffuse	36) s 5-7.5	12.0	364.17	M	-	-	A	D	C	M	-	-	-	-	-	-	P	-	P	D	-	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (pale gray)
190-1173A-29X-1,74-76	264.78	264.80	264.790	2	upper Shikoku Basin	Pliocene	NN18	Pale gray to green		Laminated	Sharp, irregular	Diffuse
190-1173A-29X-1,103-110	265.07	265.14	265.105	7	upper Shikoku Basin	Pliocene	NN18	Medium gray, gray laminae	Fining upward		Sharp	Diffuse, irregular	37) s 103 -110	106.0	265.10	M	-	-	A	D	C	M	P	-	-	-	-	-	C	-	P	D	P	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (gray)
190-1173A-29X-1,129-141	265.33	265.45	265.390	12	upper Shikoku Basin	Pliocene	NN18	Pale gray to dark gray to pale gray	Fining upward		Sharp, irregular	Diffuse, bioturbated	38) s 137-141
190-1173A-29X-2,25-28	265.79	265.82	265.805	3	upper Shikoku Basin	Pliocene	NN18	Green to pale gray			Sharp, irregular	Diffuse
190-1173A-29X-2,65-68	266.19	266.22	266.205	3	upper Shikoku Basin	Pliocene	NN18	Green to dark gray		Thin lamina	Sharp, irregular	Diffuse
190-1173A-30X-1,97-98	274.61	274.62	274.615	1	upper Shikoku Basin	Pliocene	NN18	Pale gray		Faint lamination
190-1173A-30X-4,3-16	278.17	278.30	278.235	13	upper Shikoku Basin	Pliocene	NN18	Pale gray to medium gray to green to pale gray	Fining upward		Sharp, irregular	Diffuse	39) s 11-14	11.0	278.25	M	-	-	C	A	A	M	-	-	-	-	-	-	P	-	P	D	P	P	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (gray)
190-1173A-31X-2,60-63	285.34	285.37	285.355	3	upper Shikoku Basin	Pliocene	NN18	Pale gray-green base to dark gray		Bioturbated	Sharp, irregular	Diffuse
190-1173A-31X-3,108-110	287.32	287.34	287.330	2	upper Shikoku Basin	Pliocene	NN17	White		Laminated	Diffuse	Diffuse
190-1173A-31X-4,13-19	287.87	287.93	287.900	6	upper Shikoku Basin	Pliocene	NN17	Dark/medium gray	Medium sand, fining upward at top	Laminated at base	Sharp, irregular	Diffuse	40) s 17-19
190-1173A-31X-4,114-120	288.88	288.94	288.910	6	upper Shikoku Basin	Pliocene	NN17	Pale gray and green to pale gray		Bioturbated and drilling disturbance	Sharp, irregular	Diffuse	41) s 118-120
190-1173A-32X-3,66-75	296.60	296.69	296.645	9	upper Shikoku Basin	Pliocene	NN17	White/green to dark gray	Sandy silt with silty clay in upper part		?	?		68.0	296.62	M	-	-	A	D	C	M	R	-	-	P	-	-	C	-	P	D	P	-	-	-	-	-	-	-	R	x	-	-	-	-	-	-	-	Vitric tuff (dark gray)
190-1173A-32X-3,66-75	296.60	296.69	296.645	9	upper Shikoku Basin	Pliocene	NN17	White/green to dark gray	Sandy silt with silty clay in upper part		?	?		74.0	296.68	M	-	-	A	A	C	M	-	-	-	-	-	-	R	-	-	D	P	-	-	-	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff (white)
190-1173A-32X-4,29-43	297.73	297.87	297.800	14	upper Shikoku Basin	Pliocene	NN17	White to gray to greeny gray to light pale gray	Fining upward		Sharp, irregular	Diffuse
190-1173A-32X-6,94-102	301.38	301.46	301.420	8	upper Shikoku Basin	Pliocene	NN17	Gray	Fining upward, graded from silty sand to sandy silt		Sharp, irregular	Sharp	42) s 100-102t			-	C	C	A	C	P	P	P	-	-	P	C	-	-	-	C	C	P	-	-	-	-	-	-	C	C	-	x	-	-	-	-	-	-	Crystal vitric tuff
190-1173A-33X-2,0-4	304.14	304.18	304.160	4	upper Shikoku Basin	Pliocene	NN17			Planar lamination	Sharp, irregular		43) s 0-4
190-1173A-33X-3,105-120	306.69	306.84	306.765	15	upper Shikoku Basin	Pliocene	NN17	Gray purple to gray	Fines upward	Planar laminated	Sharp	Diffuse	44) s 108-112	119.0	306.83	M	-	P	D	A	C	M	P	-	-	-	-	-	-	-	P	D	-	-	-	P	-	-	-	-	-	x	-	-	-	-	-	-	-	Vitric tuff
190-1173A-34X-7,3-12	320.97	321.06	321.015	9	upper Shikoku Basin	Pliocene	NN16	Brown gray	Fining upward		Sharp	Diffuse	45) s 8-11	10.0	321.04	M	-	P	D	A	C	M	-	-	-	C	P	-	R	-	P	D	P	R	-	P	-	-	-	-	-	-	x	-	-	-	-	-	-	Vitric tuff (brown gray)
190-1173A-36X-2,26-30	332.90	332.94	332.920	4	upper Shikoku Basin	Pliocene	NN16	Dark gray			Sharp	Diffuse	46) s 27-31
190-1173A-36X-2,112-119	333.76	333.83	333.795	7	upper Shikoku Basin	Pliocene	NN16	Dark gray		Plane parallel laminae	Sharp	Diffuse	47) s 116-120t	115.0	333.79	M	C	C	C	A	C	P	P	-	-	-	C	-	C	-	P	D	P	-	-	-	-	-	-	P	P	-	x	x	-	-	-	-	-	Vitric crystal tuff (dark gray)
190-1173A-36X-5,35-40	337.49	337.54	337.515	5	upper Shikoku Basin	Pliocene	NN16	Dark to light gray	Normal/inverse grading	Plane parallel lamination	Sharp	Diffuse	48) s 35-40
190-1173A-36X-5,58-60	337.72	337.74	337.730	2	upper Shikoku Basin	Pliocene	NN16	Light gray		Plane parallel laminae	Sharp	Diffuse
190-1173A-36X-5,90-93	338.04	338.07	338.055	3	upper Shikoku Basin	Pliocene	NN16	Dark gray to light gray		Sharp base	Sharp	Diffuse
190-1173A-37X-3,0-3	343.74	343.77	343.755	3	upper Shikoku Basin	Pliocene	NN16	Dark brown/gray		Siliceous claystone, bioturbated	Sharp	?	49) s 0-3	1.0	343.75	M	-	-	D	A	C	M	-	-	-	-	P	-	C	-	P	D	-	-	-	P	-	-	-	-	P	-	x	x	-	-	-	-	-	Vitric crystal tuff (dark brown/gray)
190-1173A-39X-1,97-103	360.91	360.97	360.940	6	lower Shikoku Basin	Pliocene	NN16	Dark gray	Silt size	Siliceous claystone to ash	Sharp, irregular	?	50) s 101-104	98.0	360.92	M	-	-	C	D	C	M	-	-	-	-	-	-	C	-	P	D	C	-	-	-	-	-	-	-	C	-	-	x	x	x	-	-	-	Siliceous claystone/vitric tuff (dark gray)
190-1173A-39X-6,52-61	367.96	368.05	368.005	9	lower Shikoku Basin	Pliocene	NN16	Pale white (60-60.5 cm), gray (55-60.5 cm), to greenish gray (52-55 cm)	Fines upward, silty sand to sand silt	Siliceous claystone to ash	Sharp, irregular	Diffuse
190-1173A-39X-6,140-144	368.84	368.88	368.860	4	lower Shikoku Basin	Pliocene	NN16	Red, gray to green		Siliceous claystone	Sharp, irregular	Diffuse		144.0	368.87	M	-	-	C	D	C	M	-	-	-	-	P	-	C	-	P	D	P	-	-	-	-	-	-	-	P	-	-	x	x	x	-	-	-	Siliceous claystone / Vitric tuff (pink)
190-1173A-40X-3,90-94	373.54	373.58	373.560	4	lower Shikoku Basin	Pliocene	NN16	Dark gray, green burrow fills	Clay to silt	Siliceous claystone	Sharp, irregular	Diffuse	51) s 90-95t	91.0	373.55	M	-	-	C	A	D	M	-	-	-	A	-	-	C	-	P	A	C	-	-	C	-	-	-	-	R	-	-	-	x	x	x	x	-	Siliceous claystone (black)
190-1173A-41X-4,37-39	384.11	384.13	384.120	2	lower Shikoku Basin	Pliocene	NN16	Dark gray						39.0	384.13	M	-	-	-	D	C	M	P	-	-	C	-	-	D	-	P	C	P	-	-	-	-	-	-	-	-	-	-	-	x	x	-	-	-	Siliceous claystone (dark gray)
190-1173A-41X-6,27-36	387.01	387.10	387.055	9	lower Shikoku Basin	Pliocene	NN15	Green to pale green to dark gray	Sandy siliceous claystone, coarsens up from silt to medium sand then fines to silt	Siliceous claystone, drilling disturbance	Sharp, irregular	Sharp	52) s 28-32	30.0	387.04	M	-	P	C	D	C	M	P	-	-	C	-	-	C	-	C	D	C	-	-	-	-	-	-	-	P	-	-	-	-	x x	x x	x x	-	Siliceous claystone (dark gray) (green)
190-1173A-41X-6,27-36	387.01	387.10	387.055	9	lower Shikoku Basin	Pliocene	NN15	Green to pale green to dark gray	Sandy siliceous claystone, coarsens up from silt to medium sand then fines to silt	Siliceous claystone, drilling disturbance	Sharp, irregular	Sharp	52) s 28-32	34.0		M	-	-	C	D	A	M	-	-	-	C	-	-	C	-	-	D	P	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
190-1173A-41X-6,50-53	387.24	387.27	387.255	3	lower Shikoku Basin	Pliocene	NN15	Pale gray		Sandy siliceous claystone, bioturbated	Sharp, irregular	Diffuse
190-1173A-41X-6,89-90	387.63	387.64	387.635	1	lower Shikoku Basin	Pliocene	NN15	Pale green	Fine sand	Bioturbated, mixed with silty clay	Diffuse	Diffuse
190-1173A-43X-5,27-30	404.71	404.74	404.725	3	lower Shikoku Basin	late Miocene	NN11b	Dark gray		Siliceous claystone, bioturbated	?	?	53) s 28-30	27.0	404.71	M	-	-	P	A	D	M	-	-	-	D	-	-	-	-	-	-	P	-	-	-	-	-	-	-	-	-	-	-	-	x	x	x	-	Siliceous claystone (dark gray)
190-1173A-45X-1,9-36	417.73	418.00	417.865	27	lower Shikoku Basin	late Miocene	NN11b	Greenish gray with faint dark gray laminae at base, dark green at top	Fining upward	Siliceous claystone, drilling disturbance	Sharp	Diffuse	54) s 16-17	32.0	417.96	M	-	-	P	A	D	M	-	-	-	D	-	-	-	-	-	-	P	-	-	R	-	-	-	-	-	-	-	-	-	x	x	-	x	Siliceous claystone (green)
190-1173A-49X-6,129-132	463.83	463.86	463.845	3	lower Shikoku Basin	late Miocene	NN11a	Greenish gray	Fine sand/clay	Bioturbated patches	Diffuse	Diffuse	55) s 126-129t	130.0	463.84	M	-	P	A	A	C	M	-	-	-	D	-	-	C	-	-	P	P	-	-	-	-	-	-	-	P	-	-	-	-	x	x	-	x	Siliceous claystone
190-1173A-57X-2,140-142	534.94	534.96	534.950	2	lower Shikoku Basin	late Miocene	NN9	Dark gray		Bioturbated
190-1173A-57X-4,69-70	537.23	537.24	537.235	1	lower Shikoku Basin	late Miocene	NN8	Dark brown, purplish		Mottled, bioturbated		Diffuse, irregular		69.0	537.23	M	-	P	C	D	C	P	-	-	-	D	-	-	C	-	P	-	P	-	-	-	-	-	-	-	P	-	-	-	-	x	x	-	x	Siliceous claystone (dark gray)
190-1173A-58X-3,10-17	544.84	544.91	544.875	7	lower Shikoku Basin	late Miocene	NN8	Dark gray		Siliceous claystone, disturbed by drilling	Sharp	Diffuse		11.0	544.85	M	-	-	-	D	A	M	-	-	-	A	-	-	A	-	P	P	C	-	-	-	-	-	-	-	P	-	-	-	-	x	x	-	-	Siliceous claystone (dark gray)
190-1173A-59X-5,119-123	558.53	558.57	558.550	4	lower Shikoku Basin	middle Miocene	NN7	Dark gray		Siliceous claystone	Sharp	Diffuse	56) s 119-122	120.0	558.54	M	-	-	C	D	C	M	P	-	-	A	-	-	A	-	-	-	P	-	-	-	-	-	-	-	-	-	-	-	-	x	x	-	x	Siliceous claystone (gray)
190-1173A-64X-4,24-30	604.28	604.34	604.310	6	lower Shikoku Basin	middle Miocene	NN6	Green		Faintly laminated, bioturbated top disturbed by drilling biscuit; clasts round to subangular	Sharp	Diffuse	57) s 28-29	30.0	604.34	M	-	P	C	C	A	P	-	-	-	D	-	-	P	-	-	-	R	-	-	R	-	-	-	-	-	-	-	-	-	x	-	-	x	Siliceous claystone (green)
190-1173A-71X-3,17-43	670.14	670.40	670.270	26	lower Shikoku Basin	middle Miocene	NN5	Reddish brown matrix, with greenish gray silty clay clasts	Gritstone/conglomerate, matrix supported	Siliceous claystone; homogeneous, no mottling	Sharp, irregular	?	58) s 23-26t	39.0	670.53	M	-	-	-	A	D	M	P	-	P	A	-	-	P	-	P	-	A	-	-	-	-	-	-	-	-	-	-	-	-	x	-	-	x	Brown siliceous claystone matrix to gravel
190-1173A-73X-1,26-50	686.60	686.84	686.720	24	lower Shikoku Basin	middle Miocene	NN5	Brownish green to greenish brown		Siliceous claystone	Diffuse	Diffuse		31.0	686.65	M	-	-	C	A	D	M	P	-	-	D	-	-	P	-	-	P	C	-	-	-	-	-	-	-	-	-	-	-	-	x	-	-	x	Siliceous claystone (greenish brown)
190-1173A-73X-2,15-23	687.99	688.07	688.030	8	volcaniclastic facies	middle Miocene	NN5	Pale green to dark gray		Siliceous claystone, patches	Diffuse	Diffuse		18.0	688.02	M	-	C	A	A	A	M	-	-	-	D	-	-	-	-	P	P	C	-	-	-	-	-	-	-	P	-	-	-	-	x	x	-	x	Siliceous claystone
190-1173A-73X-2,78-81	688.62	688.65	688.635	3	volcaniclastic facies	middle Miocene	NN5	Light brown patches		Heavily disrupted by drilling			59) s 78-81
190-1173A-74X-1,0-18	695.94	696.12	696.030	18	volcaniclastic facies	middle Miocene	NN5	Light greenish gray						13.0	696.07	M	-	-	A	A	A	M	-	-	P	D	-	-	-	-	P	P	P	-	-	-	-	-	-	-	P	-	-	-	-	x	x	-	x	Siliceous claystone