Citation:

odp.proc.sr.112.167.1990

Name: (Table 1) Petrographic and chemical features of tephra from the Peru continental margin
Published: 1990
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Ocean Drilling Program (ODP)

Coverage:

Median Latitude: -11.045761 * Median Longitude: -78.625619 * South-bound Latitude: -13.480160 * West-bound Longitude: -80.583500 * North-bound Latitude: -8.991500 * East-bound Longitude: -76.891500

Date/Time Start: 1986-10-31T20:30:00 * Date/Time End: 1986-12-18T09:00:00

Minimum Elevation: -5093.0 m * Maximum Elevation: -272.0 m

Event(s):

112-679B * Latitude: -11.063330 * Longitude: -78.272330 * Date/Time Start: 1986-10-31T20:30:00 * Date/Time End: 1986-11-01T07:00:00 * Elevation: -458.0 m * Penetration: 107.2 m * Recovery: 102.99 m * Location: South Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 107.2 m cored; 0 m drilled; 96.1 % recovery

112-679D * Latitude: -11.063830 * Longitude: -78.272170 * Date/Time Start: 1986-11-01T12:45:00 * Date/Time End: 1986-11-02T13:15:00 * Elevation: -462.0 m * Penetration: 245.4 m * Recovery: 116.03 m * Location: South Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 245.2 m cored; 0 m drilled; 47.3 % recovery

112-680A * Latitude: -11.065000 * Longitude: -78.077830 * Date/Time Start: 1986-11-05T07:15:00 * Date/Time End: 1986-11-05T20:30:00 * Elevation: -272.0 m * Penetration: 93.8 m * Recovery: 81.19 m * Location: South Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 10 cores; 93.8 m cored; 0 m drilled; 86.6 % recovery

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Sample code/label	Sample label		Pouclet, André	DSDP/ODP/IODP sample designation
3	Sample code/label 2	Sample label 2		Pouclet, André
4	Epoch	Epoch		Pouclet, André
5	Sand	Sand	%	Pouclet, André
6	Silt	Silt	%	Pouclet, André
7	Size fraction < 0.002 mm, clay	<2 µm	%	Pouclet, André
8	Volcanic glass	Volc glass	%	Pouclet, André		10-25 % = ash-bearing mud, 25-60 % = pyroclastic mud, 60-100 % = ash layer
9	Type	Type		Pouclet, André
10	Median, grain size	D50	µm	Pouclet, André		minimu, range
11	Median, grain size	D50	µm	Pouclet, André		maximum, range
12	Median, grain size	D50	µm	Pouclet, André		extra range
13	Silicon dioxide	SiO2	%	Pouclet, André		minimum, range, raw dara
14	Silicon dioxide	SiO2	%	Pouclet, André		maximum, range, raw dara
15	Comment	Comment		Pouclet, André		potassic group
16	Description	Description		Pouclet, André		notes, free crystals

License:

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

Size:

619 data points

Data

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

1 Event	2 Sample label	3 Sample label 2	4 Epoch	5 Sand [%]	6 Silt [%]	7 <2 µm [%]	8 Volc glass [%] (10-25 % = ash-bearing mud, 25...)	9 Type	10 D50 [µm] (minimu, range)	11 D50 [µm] (maximum, range)	12 D50 [µm] (extra range)	13 SiO2 [%] (minimum, range, raw dara)	14 SiO2 [%] (maximum, range, raw dara)	15 Comment (potassic group)	16 Description (notes, free crystals)
112-684A	112-684A-7H-3,105-107	1	late Miocene	10	85	5	70	shard, bubble wall fragment, micropumice, more or less corroded grain or fragment	50	120		72.20	75.3	high-K	Oligoclase, biotite, oxides
112-683A	112-683A-4H-3,131.5-133.5	2	Quaternary	45	40	15	40	shard, more or less corroded grain or fragment	30	80		69.00	72.1	high-K	Ash pod, distant eruption
112-683A	112-683A-7H-5,128-130	3	Quaternary	0	55	45	5	shard, more or less corroded grain or fragment	20	40		69.00	74.0	very high-K	Rare and dispersed ash; sanidine, andesine
112-683A	112-683A-27X-1,23-25	4	late Miocene	5	40	55	50	shard, bubble wall fragment	40	120		74.00	75.7	high-K	Na-sanidine
112-683A	112-683A-29X-1,43-14	5	late Miocene	10	90	0	90	shard, bubble wall fragment, micropumice	60	120	220	73.40	74.9	high-K - medium-K	Andesine, biotite
112-683A	112-683A-34X-4,85-87	6	middle Miocene	50	40	10	80	shard, bubble wall fragment, micropumice	50	100	160	73.50	74.8	high-K	2-cm-thick layer; oligoclase, biotite
112-683A	112-683A-34X-4,122-124	7	middle Miocene	0	40	60	10	shard, more or less corroded grain or fragment	20	80	150	73.70	75.2	high-K	Sanidine
112-683A	112-683A-37X-2,85-87	8	middle Miocene	50	45	5	60	shard, bubble wall fragment, micropumice	20	100		71.80	73.7	high-K	K-andesine
112-683A	112-683A-44X-6,17-19	9	middle Miocene	10	90	0	80	shard, bubble wall fragment	20	80		72.50	74.7	medium-K	Rounded shards; andesine
112-683B	112-683B-6X-3,6-9	10	early Miocene	60	35	5	70	shard, bubble wall fragment, micropumice	80	200		73.60	75.7	high-K	Nearby eruption; andesine, ilmenite
112-683B	112-683B-9X-CC,26-28	11	middle Eocene	5	55	40	30	shard, more or less corroded grain or fragment	15	80		70.00	73.0	high-K	Illite alteration, rounded shards; andesine, sanidine
112-685A	112-685A-43X-1,3-5	12	late Miocene	55	30	15	75	shard, bubble wall fragment, micropumice	40	120		64.10	71.4	high-K - medium-K	Cogenetic differentiated glasses
112-685A	112-685A-43X-CC,19-20	13	late Miocene	85	10	5	80	shard, bubble wall fragment	30	110		72.80	73.7	high-K	0.5-cm-thick ash layer
112-685A	112-685A-50X-1,45-47	14	late Miocene	20	40	40	20	shard, bubble wall fragment	30	80		71.30	73.3	very high-K - high-K	Rare Fe-rich glass, numerous fedspars, andesine, oligoclase, K-anorthoclase, Na-sanidine
112-680A	112-680A-1H-1,125-127	15	Quaternary	0	25	75	10	shard, bubble wall fragment	30	120		69.10	72.1	very high-K	Labrador
112-680A	112-680A-2H-1,4-6	16	Quaternary	40	45	15	20	shard, bubble wall fragment	50	80		73.80		very high-K	Andesine, oligoclase, Na-sanidine, sanidine
112-680B	112-680B-8H-3,23-25	17	late Pliocene	0	65	35	15	shard, more or less corroded grain or fragment	10	80		70.70	72.5	high-K - very high-K	Ash pod; oligoclase
112-679B	112-679B-4H-4,32-34	18	Quaternary	10	60	30	45	shard, bubble wall fragment	50	150		69.50	70.0	very high-K
112-679B	112-679B-7H-5,25-27	19	Quaternary	0	60	40	30	shard	10	40		67.80	69.8	very high-K	Andesine, oligoclase
112-679B	112-679B-8H-6,14-16	20	Quaternary	0	10	90	40	shard, bubble wall fragment	20	80	150	69.80	73.8	very high-K - high-K	Heterogeneous glasses; andesine, anorthoclase, sanidine
112-679B	112-679B-10H-2,18-20	21	late Pliocene	40	40	20	95	shard, bubble wall fragment	70	220		70.30	71.8	very high-K
112-679B	112-679B-10H-3,126,128	22	late Pliocene	20	40	40	95	shard, bubble wall fragment, micropumice	80	200		73.70	75.6	very high-K - high-K
112-679B	112-679B-10H-4,99-101	23	late Pliocene	0	50	50	40	shard, more or less corroded grain or fragment	10	40	120	64.30	74.3	very high-K - high-K	Heterogeneous glasses; albite
112-679B	112-679B-12H-3,119-121	24	early Pliocene	10	65	25	40	shard, bubble wall fragment, more or less corroded grain or fragment	50	150	250	69.00	70.0	very high-K	Sanidine
112-679D	112-679D-9H-6,30-32	25	late Pliocene	15	80	5	95	shard, bubble wall fragment	30	120		67.80	71.1	very high-K	White ash layer
112-679D	112-679D-10H-1,140-142	26	late Pliocene	30	60	10	70	shard, bubble wall fragment, micropumice	50	100		65.40	67.3	very high-K	20-cm-thick ash layer
112-679D	112-679D-10H-3,78-80	27	late Pliocene	10	80	10	75	shard, bubble wall fragment	80	200		69.00	72.5	high-K - very high-K	1-cm-thick ash layer; andesine
112-679D	112-679D-32X-CC,20-23	28	middle Miocene	5	65	30	40	shard, bubble wall fragment, more or less corroded grain or fragment	20	120		56.40	71.7	high-K - very high-K	Black pyroclastic mud, heterogeneous glasses; K-andesine
112-688E	112-688E-5R-3,34-36	29	early Pliocene	20	40	40	80	shard, bubble wall fragment, micropumice	20	220		70.00	71.8	very high-K	Weakly reworked ash layer, poor sorting
112-688E	112-688E-14R-4,12-14	30	middle Miocene	10	85	5	85	shard, bubble wall fragment, more or less corroded grain or fragment	40	120		71.00	72.7	high-K - very high-K
112-688E	112-688E-15R-2,62-64	31	middle Miocene	5	90	5	74	shard, bubble wall fragment	30	110		70.60	73.4	high-K - very high-K
112-688E	112-688E-19R-3,89-91	32	early Miocene	10	80	10	80	shard, bubble wall fragment	40	120		72.40	76.5	high-K
112-688E	112-688E-20R-1,142-144	33	early Miocene	20	70	10	90	shard, bubble wall fragment	40	120		70.20	74.0	high-K - medium-K
112-687A	112-687A-1H-5,94-96	34	Quaternary	10	60	30	20	shard, bubble wall fragment	20	60		68.80	71.4	high-K - very high-K	K-oligoclase, sanidine
112-687A	112-687A-6H-4,14-16	35	Quaternary	60	30	10	95	shard, bubble wall fragment, micropumice	100	200	450	70.00	73.2	high-K	12-cm-thick white ash layer
112-687A	112-687A-12X-1,121-123	36	Quaternary	30	20	50	45	shard, bubble wall fragment, more or less corroded grain or fragment	50	130	500	68.40	71.0	high-K	Reworked pyroclastic silt, rounded glass fragments; and., K-anorthoclase, biotite
112-687B	112-687B-6H-1,62-65	37	Quaternary	40	55	5	95	shard, bubble wall fragment	50	100		69.70	71.5	high-K	2-cm-thick ash layer
112-687B	112-687B-16X-CC,28-30	38	late Pliocene	70	30	0	90	shard, bubble wall fragment, micropumice	80	140		69.80	73.1	high-K	2-cm-thick ash layer
112-686A	112-686A-12X-3,18-20	39	Quaternary	10	40	50	20	shard, bubble wall fragment, micropumice	30	80	110	67.22	74.0	high-K - very high-K	Co-genetic differentiated glasses; labrador, and., Na-sanidine
112-686B	112-686B-17X-3,54-56	40	Quaternary	5	85	10	90	shard, bubble wall fragment	50	120		70.10	71.2	high-K	2-cm-thick white ash layer
112-686B	112-686B-29X-2,64-66	41	Quaternary	5	90	5	85	shard, bubble wall fragment	40	160		71.30	72.7	high-K	1-cm-thick white ash layer
SeaPERC	KF01-2,77-79	1	Quaternary	30	50	20	50	shard, bubble wall fragment, micropumice	80	250	350	69.70	72.0	high-K	1-cm-thick pyroclastic mud; andesine
SeaPERC	KF01-2,99-100	2	Quaternary	40	40	20	80	shard, bubble wall fragment	100	200		70.40	72.0	high-K	1.5-cm-thick ash layer
SeaPERC	KF04-1,114-115	3	Quaternary	40	40	20	80	shard, bubble wall fragment, micropumice	60	250	350	70.30	72.1	high-K	1.5-cm-thick ash layer