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Thorn, Vanessa C (2004): (Table T1) Stratigraphic distribution of phytoliths at ODP Site 188-1165 and 188-1166 sediments (continental slope) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.780319, Supplement to: Thorn, VC (2004): Data report: Phytoliths in drill core sediments from Sites 1165 and 1166, Leg 188, Prydz Bay, East Antarctica. In: Cooper, AK; O'Brien, PE; Richter, C (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 188, 1-12, https://doi.org/10.2973/odp.proc.sr.188.002.2004

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Abstract:
Rare phytoliths are described from Late Cretaceous to Quaternary deep-sea sediments from Sites 1165 and 1166, Prydz Bay, East Antarctica. The phytoliths are comparable to modern tree/shrub, grass, and fern forms, although some may be modern contaminants. Spherical tree/shrub phytoliths are the most common, occurring particularly in the lower middle to middle Miocene core sections at Site 1165. All phytolith forms observed (except irregular and folded sphericals) have been previously described in other Antarctic sediments. The low phytolith abundances in the cores probably result from a combination of factors including the substantial distance offshore of the drill sites, taphonomic influences (low source production, soil dissolution, and dilution of terrigenous material during transport and deposition), and silica diagenesis downhole.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -65.485087 * Median Longitude: 69.741347 * South-bound Latitude: -67.696160 * West-bound Longitude: 67.218060 * North-bound Latitude: -64.379450 * East-bound Longitude: 74.786930
Date/Time Start: 2000-01-29T05:15:00 * Date/Time End: 2000-02-21T16:00:00
Minimum DEPTH, sediment/rock: 1.29 m * Maximum DEPTH, sediment/rock: 996.28 m
Event(s):
188-1165B  * Latitude: -64.379650 * Longitude: 67.219050 * Date/Time Start: 2000-01-29T05:15:00 * Date/Time End: 2000-02-04T05:30:00 * Elevation: -3537.6 m * Penetration: 682.2 m * Recovery: 434.04 m * Location: Indian Ocean * Campaign: Leg188 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 76 cores; 682.2 m cored; 0 m drilled; 63.6 % recovery
188-1165C  * Latitude: -64.379450 * Longitude: 67.218060 * Date/Time Start: 2000-02-04T05:30:00 * Date/Time End: 2000-02-14T20:30:00 * Elevation: -3537.5 m * Penetration: 999.1 m * Recovery: 269.27 m * Location: Indian Ocean * Campaign: Leg188 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 335.7 m cored; 663.4 m drilled; 80.2 % recovery
188-1166A  * Latitude: -67.696160 * Longitude: 74.786930 * Date/Time Start: 2000-02-16T01:30:00 * Date/Time End: 2000-02-21T16:00:00 * Elevation: -475.4 m * Penetration: 381.3 m * Recovery: 71.31 m * Location: Prydz Bay * Campaign: Leg188 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 381.3 m cored; 0 m drilled; 18.7 % recovery
Comment:
Sediment depth is given in mbsf. X = present, R = rare and poorly preserved fragments, - = not found. # = possible contaminant. Numbers represent counts of distinctive phytoliths.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 DEPTH, sediment/rockDepth sedmGeocode
3 PhytolithsPhytoliths#Thorn, Vanessa CBulliform (grass)
4 PhytolithsPhytoliths#Thorn, Vanessa CFestucoid (grass)
5 PhytolithsPhytoliths#Thorn, Vanessa CPanicoid-opaque (grass)
6 PhytolithsPhytoliths#Thorn, Vanessa CStriated plate (fern)
7 PhytolithsPhytoliths#Thorn, Vanessa CAnticlinal epidermal (tree/shrub)
8 PhytolithsPhytoliths#Thorn, Vanessa CSpherical irregular (tree/shrub)
9 PhytolithsPhytoliths#Thorn, Vanessa CSpherical folded (tree/shrub)
10 PhytolithsPhytoliths#Thorn, Vanessa CSpherical verrucose (tree/shrub)
11 PhytolithsPhytoliths#Thorn, Vanessa CSpherical pellet (tree/shrub)
12 PhytolithsPhytoliths#Thorn, Vanessa CSpherical smooth-opaque (tree/shrub)
13 PhytolithsPhytoliths#Thorn, Vanessa CSpherical spinulose (tree/shrub)
14 PhytolithsPhytoliths#Thorn, Vanessa CCubic (unknown)
15 PhytolithsPhytolithsThorn, Vanessa CPlates and blocks (unknown)
16 SumSum#Thorn, Vanessa Ctotal phytoliths; does not include plate/block phytolith morphologies
17 Chaetoceros sporesChaet sporesThorn, Vanessa Cgenus questionable
18 Diatom frustulesDiatom frustThorn, Vanessa Cfrustules-whole/fragments
19 Chrysophyceae cystsChrysophyceae cystsThorn, Vanessa C
20 ChrysophyceaeChrysophyceaeThorn, Vanessa CParmales
21 Radiolarians abundanceRad abundThorn, Vanessa C
22 Palynomorpha, terrestrialPalyn terThorn, Vanessa Csilicified
23 Silicoflagellate abundanceSilicoflag abundThorn, Vanessa C
24 Sponge spiculaeSponge spicThorn, Vanessa C
25 Siliceous microfossilsSilic fossThorn, Vanessa Ctestate amoeba plates?
26 EpochEpochThorn, Vanessa C
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
936 data points

Data

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

1 
Event		2 
Depth sed [m]		3 
Phytoliths [#]
(Bulliform (grass))		4 
Phytoliths [#]
(Festucoid (grass))		5 
Phytoliths [#]
(Panicoid-opaque (grass))		6 
Phytoliths [#]
(Striated plate (fern))		7 
Phytoliths [#]
(Anticlinal epidermal (tree/sh...)		8 
Phytoliths [#]
(Spherical irregular (tree/shrub))		9 
Phytoliths [#]
(Spherical folded (tree/shrub))		10 
Phytoliths [#]
(Spherical verrucose (tree/shrub))		11 
Phytoliths [#]
(Spherical pellet (tree/shrub))		12 
Phytoliths [#]
(Spherical smooth-opaque (tree...)		13 
Phytoliths [#]
(Spherical spinulose (tree/shrub))		14 
Phytoliths [#]
(Cubic (unknown))		15 
Phytoliths
(Plates and blocks (unknown))		16 
Sum [#]
(total phytoliths; does not in...)		17 
Chaet spores
(genus questionable)		18 
Diatom frust
(frustules-whole/fragments)		19 
Chrysophyceae cysts		20 
Chrysophyceae
(Parmales)		21 
Rad abund		22 
Palyn ter
(silicified)		23 
Silicoflag abund		24 
Sponge spic		25 
Silic foss
(testate amoeba plates?)		26 
Epoch
188-1165B 2.29000000001100X2-XX----X-latest Pleistocene to earliest Pliocene
188-1165B32.58000000000000-0-XX---XX-latest Pleistocene to earliest Pliocene
188-1165B42.08000000000000-0-XX---XXXlatest Pleistocene to earliest Pliocene
188-1165B64.58000000010000-1-X-----X-latest to middle Miocene
188-1165B96.08001000000000-1-X-----XXlatest to middle Miocene
188-1165B139.08000000000010-1-X--X-XX-latest to middle Miocene
188-1165B169.58000000000000X0-X-XX--X-latest to middle Miocene
188-1165B195.48000000000000-0-X-XX-RXXlatest to middle Miocene
188-1165B230.28000000001000-1-X--X--X-latest to middle Miocene
188-1165B239.88000000000000-0-X-XX-XX-latest to middle Miocene
188-1165B275.38000000000000-0-X--X-XX-latest to middle Miocene
188-1165B291.28000000204000X6XX-XX-XX-latest to middle Miocene
188-1165B297.28000010002000X3-X--X-XX-latest to middle Miocene
188-1165B329.13200101305000X12XXX-X-XXXearly middle to early Miocene
188-1165B358.00000000102000X3-XX---XX-early middle to early Miocene
188-1165B392.88100001105000X8-XX--XXXXearly middle to early Miocene
188-1165B466.78000000002000X2-XX---XX-early middle to early Miocene
188-1165B482.98000001004000X5-X----XX-early middle to early Miocene
188-1165B550.38000000005000X5-XX---XX-early middle to early Miocene
188-1165B601.48000000003000X3-XX---XX-early middle to early Miocene
188-1165C 692.48000000000000X0-R-----R-early middle to early Miocene
188-1165C759.88000000000000X0-R-----R-early middle to early Miocene
188-1165C807.98000000000000X0-R-----R-early middle to early Miocene
188-1165C855.78000000000000X0-R-----R-early middle to early Miocene
188-1165C923.280000000#10000-0-R-----R-early middle to early Miocene
188-1165C973.40000000000000-0-------R-early middle to early Miocene
188-1165C996.28000000000000-0-R-----R-early middle to early Miocene
188-1166A 1.29000010002003X6-XX----X-Quaternary to late Pliocene
188-1166A38.61000000001000X1-R-----R-Quaternary to late Pliocene
188-1166A84.65000000000000-0-R-----R-Quaternary to late Pliocene
188-1166A106.340#10000000000-0---------Quaternary to late Pliocene
188-1166A123.69000000001000-1---------Quaternary to late Pliocene
188-1166A132.85000000001000-1---------Quaternary to late Pliocene
188-1166A142.32000000000000-0-X-XX--X-early Oligocene to late Eocene
188-1166A148.11000000000000-0-X-X---X-early Oligocene to late Eocene
188-1166A153.85000000000000-0---------early Oligocene to late Eocene
188-1166A156.51000000000000-0-R-------early Oligocene to late Eocene
188-1166A296.06000000000000X0--------XLate Cretaceous (Turonian)
188-1166A314.87000000000000-0---------Late Cretaceous (Turonian)