Citation:

epic.28312.d001

Name: Abundance of terrestrial palynomorphs of sediment core CRP-1
Creator: J Ian Raine
Published: 1998
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

Sparse pollen and spores from the lower Miocene section of CRP-1 derive from at least three sources. A low-diversity but persitent angiosperm-moss-liverwort assemblage may reflect contemporaneous herb-moss tundra and a climate with summer temperatures similar to that of islands in the vicinity of the Antarctic Convergence today. More diverse Nothofagus-podocarp-Proteaceae assemblages at c. 70 mbsf and 100- 116 mbsf may rcflect woody vegetation growing nearby in warmer sites or periods, long distance transport, or redeposition from older strata. A contemporaneous local origin is preferred: although it is not possible to determine the precise form of this vegetation from palynological data, a conservative model with low-growing shrubs would imply July mean temperatures of at least 7°C. Reworked Permian-Triassic miospores are present in low numbers throughout the sequence. Pleistocene samples contain assemblages likely to have been reworked from older strata, mostly having similar taxa to the lower Miocene section, although one sample contains a Nothofagus-dominated pollen assemblage (also interpreted as reworked) similar to that of the Sirius Group of the Transantarctic Mountains

Project(s):

Cape Roberts Project (CRP)

Coverage:

Latitude: -77.007580 * Longitude: 163.755080

Date/Time Start: 1997-10-17T01:30:00 * Date/Time End: 1997-10-24T02:00:00

Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 147.68 m

Event(s):

CRP-1 (16 km ENE Cape Roberts) * Latitude: -77.007580 * Longitude: 163.755080 * Date/Time Start: 1997-10-17T01:30:00 * Date/Time End: 1997-10-24T02:00:00 * Elevation: -153.5 m * Penetration: 132.06 m * Recovery: 113.32 m * Location: off Cape Roberts, Ross Sea, Antarctica * Campaign: * Basis: Sampling/drilling ice * Method/Device: Core wireline system (CWS) * Comment: sea ice thickness: 1.60 m, recovery 86 %. Age and lithology of oldest strata: 22-24 Ma; mudstone with scattered pebbles.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m			Geocode
2	Aequitriradites sp.	Aequitriradites sp.	#	Raine, J Ian	Counting, palynology
3	Baculatisporites sp.	Baculatisporites sp.	#	Raine, J Ian	Counting, palynology
4	Caryophyllaceae	Cphae	#	Raine, J Ian	Counting, palynology
5	Chenopodipollis sp.	Chenopodipollis sp.	#	Raine, J Ian	Counting, palynology
6	Coptospora sp.	Coptospora sp.	#	Raine, J Ian	Counting, palynology	species a (granulate)
7	Coptospora sp.	Coptospora sp.	#	Raine, J Ian	Counting, palynology	species b (coarsely verrucate)
8	Coptospora sp.	Coptospora sp.	#	Raine, J Ian	Counting, palynology	species c (verrucate)
9	Dacrydiumites praecupressinoides	D. praecupressinoide	#	Raine, J Ian	Counting, palynology
10	Dilwynites granulatus	D. granulatus	#	Raine, J Ian	Counting, palynology
11	Marchantiaceae	Marchantiaceae	#	Raine, J Ian	Counting, palynology
12	Microcachryidites cf. antarcticus	M. cf. antarcticus	#	Raine, J Ian	Counting, palynology
13	Nothofagidites asperus	N. asperus	#	Raine, J Ian	Counting, palynology
14	Nothofagidites spp.	Nothofagidites spp.	#	Raine, J Ian	Counting, palynology	undiffertiated fusca type
15	Nothofagidites cranwelliae	N. cranwelliae	#	Raine, J Ian	Counting, palynology
16	Nothofagidites flemingii	N. flemingii	#	Raine, J Ian	Counting, palynology
17	Nothofagidites cf. flemingii	N. cf. flemingii	#	Raine, J Ian	Counting, palynology
18	Nothofagidites lachlaniae	N. lachlaniae	#	Raine, J Ian	Counting, palynology
19	Phyllocladidites mawsonii	Ph. mawsonii	#	Raine, J Ian	Counting, palynology
20	Peninsulapollis sp.	Peninsulapollis sp.	#	Raine, J Ian	Counting, palynology	questionable
21	Polypodiidites sp.	Polypodiidites sp.	#	Raine, J Ian	Counting, palynology
22	Podocarpidites spp.	Podocarpidites spp.	#	Raine, J Ian	Counting, palynology
23	Proteaceae	Proteaceae	#	Raine, J Ian	Counting, palynology
24	Trichotomosulcites subgranulatus	T. subgranulatus	#	Raine, J Ian	Counting, palynology
25	Tricolpites sp.	Tricolpites sp.	#	Raine, J Ian	Counting, palynology	species a
26	Triporopollenites cf. ambiguus	T. cf. ambiguus	#	Raine, J Ian	Counting, palynology
27	Triporopollenites sp.	Triporopollenites sp.	#	Raine, J Ian	Counting, palynology
28	Alisporites spp.	Alisporites spp.	#	Raine, J Ian	Counting, palynology
29	Antulsporites spp.	Antulsporites spp.	#	Raine, J Ian	Counting, palynology
30	Asseretospora sp.	Asseretospora sp.	#	Raine, J Ian	Counting, palynology	questionable
31	cavate spore	cavate spore	#	Raine, J Ian	Counting, palynology
32	Deltoidospora directa	D. directa	#	Raine, J Ian	Counting, palynology
33	Equisetosporites sp.	Equisetosporites sp.	#	Raine, J Ian	Counting, palynology
34	Granulatisporites trisinus	G. trisinus	#	Raine, J Ian	Counting, palynology
35	Horriditriletes ramosus	H. ramosus	#	Raine, J Ian	Counting, palynology
36	Laevigatosporites sp.	Laevigatosporites sp.	#	Raine, J Ian	Counting, palynology
37	Protohaploxypinus sp.	Protohaploxypinus sp.	#	Raine, J Ian	Counting, palynology
38	Punctatisporites spp.	Punctatisporites spp.	#	Raine, J Ian	Counting, palynology
39	Rubinella sp.	Rubinella sp.	#	Raine, J Ian	Counting, palynology	questionable
40	Rugulatisporites sp.	Rugulatisporites sp.	#	Raine, J Ian	Counting, palynology
41	Spores, apiculate indeterminate	Spore apic indet	#	Raine, J Ian	Counting, palynology
42	Pollen, bisaccate	Pollen bisaccate	#	Raine, J Ian	Counting, palynology	indeterminata

License:

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

Size:

1968 data points

Data

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

1 Depth sed [m]	2 Aequitriradites sp. [#]	3 Baculatisporites sp. [#]	4 Cphae [#]	5 Chenopodipollis sp. [#]	6 Coptospora sp. [#] (species a (granulate))	7 Coptospora sp. [#] (species b (coarsely verrucate))	8 Coptospora sp. [#] (species c (verrucate))	9 D. praecupressinoide [#]	10 D. granulatus [#]	11 Marchantiaceae [#]	12 M. cf. antarcticus [#]	13 N. asperus [#]	14 Nothofagidites spp. [#] (undiffertiated fusca type)	15 N. cranwelliae [#]	16 N. flemingii [#]	17 N. cf. flemingii [#]	18 N. lachlaniae [#]	19 Ph. mawsonii [#]	20 Peninsulapollis sp. [#] (questionable)	21 Polypodiidites sp. [#]	22 Podocarpidites spp. [#]	23 Proteaceae [#]	24 T. subgranulatus [#]	25 Tricolpites sp. [#] (species a)	26 T. cf. ambiguus [#]	27 Triporopollenites sp. [#]	28 Alisporites spp. [#]	29 Antulsporites spp. [#]	30 Asseretospora sp. [#] (questionable)	31 cavate spore [#]	32 D. directa [#]	33 Equisetosporites sp. [#]	34 G. trisinus [#]	35 H. ramosus [#]	36 Laevigatosporites sp. [#]	37 Protohaploxypinus sp. [#]	38 Punctatisporites spp. [#]	39 Rubinella sp. [#] (questionable)	40 Rugulatisporites sp. [#]	41 Spore apic indet [#]	42 Pollen bisaccate [#] (indeterminata)
0.00	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
20.60	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
21.04	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	10	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
25.10	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
31.50	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
32.05	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
32.37	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
32.98	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
33.72	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
34.00	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
36.62	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0
39.06	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0
42.41	0	0	0	0	0	1	0	1	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0
45.04	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
48.35	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0
53.50	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
54.45	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
58.43	0	0	0	0	0	1	0	0	0	2	0	0	2	0	0	0	0	0	1	0	0	0	0	2	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	2	0
59.58	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
62.90	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
67.54	0	0	0	0	1	1	0	0	1	0	0	0	0	0	2	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	1
70.02	0	0	0	0	7	4	0	0	0	0	0	0	4	0	3	0	5	3	0	1	1	0	0	1	0	1	3	1	0	0	1	0	1	0	0	0	1	0	0	0	2
74.87	0	0	0	0	3	0	0	0	0	1	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1
78.15	0	0	0	1	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0
78.75	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
82.18	0	0	1	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	6	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0
85.36	0	0	0	0	3	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
87.42	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	0
92.34	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
96.37	0	1	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1
99.02	0	0	0	1	1	0	0	0	0	2	0	0	0	0	1	0	0	0	0	0	0	1	0	5	0	0	0	0	0	0	0	0	0	1	0	0	0	1	0	0	1
100.47	0	0	0	0	1	1	0	0	0	1	0	0	1	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
104.75	0	0	0	1	0	0	0	0	0	0	0	0	2	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
108.75	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	0	1	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	2	0
112.44	0	0	0	0	0	0	1	0	0	0	0	0	0	0	2	1	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
116.45	0	0	0	0	2	2	0	0	0	0	1	1	4	0	7	1	1	1	0	0	5	0	0	2	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
120.27	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
120.40	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0
124.08	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
128.12	0	0	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
132.07	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
136.20	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
139.14	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
141.80	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
142.34	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
144.31	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0
145.65	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
147.68	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0