A2-131-10-018P (core, piston)
25-30 cm (core, piston)
Description | 25-30cm. Removed on board ship. |
Note | Sample exhausted. |
Temporal |
30-117 cm (core, piston)
Description | 30-117cm SS's at 35, 66 & 95 (clast) cms. Very dark gray siliciiclastic clay with fragmented forams (some benthics), diatoms, sponge spics., and radiolarians. Pyrite common. Large volc. shards at 35cm. Numerous 1-5cm clasts. Clast at 95cm is less calcareous |
Temporal | |
Lithology | |
Topic |
117-122 cm (core, piston)
Description | 117-122cm. Removed on board ship. |
Note | Sample exhausted. |
122-206 cm (core, piston)
Description | 122-206cm. SS's at 158cm (matrix and clast). Dark gray and dark olive gray calc./biosilic. clay with volc. glass and plagioclase. Pyrite common. Ferromag. mins. present. Numerous large clasts. Clast at 158cm is less fossiliferous with smaller fragments. |
Temporal | |
Lithology | |
Topic |
206-235 cm (core, piston)
Description | 206-235cm. SS at 230cm. Dark olive gray* calc./biosiliceous, slightly silty clay. Includes sponge spicules and silicoflagellates. Also volc. shards, plagioclase, ferromag. minerals. Pyrite is rel. comon. No clasts. Upper contact subtle color change. |
Temporal | |
Lithology | |
Topic |
235-272 cm (core, piston)
Description | 235-272cm. SS at 260cm. Black to dark olive gray calc./silic. clay. Includes silicoflagels., siliciclastics, pyrite. Coarser textured than above. Large fossil-fragment and grain size in fine clay. One clast between 245-250cm. Rel. sharp lower contact. |
Temporal | |
Lithology | |
Topic |
272-277 cm (core, piston)
Description | 272-277cm. Removed on board ship |
Note | Sample exhausted. |
277-360 cm (core, piston)
Description | 277-360cm. SS at 300cm. Very dark gray calc./biosilic. silty clay. Includes silicoflagels. Also volc.glass and plagioclase shards. Pyrite and ferromag. minerals rel. common. No clasts. Coarser texture owing to large specimen and mineral-grain size. |
Temporal | |
Lithology | |
Topic |
360-427 cm (core, piston)
Description | 360-427cm. SS at 380cm. Very dark gray* siliceous clay with some forams and coccoliths. Includes silicoflagels., minute volc. glass and plagioclase shards. Less fossiliferous than overlying unit. Very indistinct mottles. Gradational upper contact. |
Temporal | |
Lithology | |
Topic |
427-432 cm (core, piston)
Description | 427-432cm. Removed on board ship. |
Note | Sample exhausted. |
432-490 cm (core, piston)
Description | 432-490cm. SS's at 450cm. Very dark gray and dark olive gray siliciclastic clay with foram frags. (some benthics), and traces siliceous microfossils. Contains stringers of foram silt and sand. Transitional lower contact. |
Temporal | |
Lithology | |
Topic |
490-581 cm (core, piston)
Description | 490-581cm. SS's at 510 (clast), 550 and 569 (lens) cm. Dark olive gray* foram-fragment clay to ooze. Stringers and lenses of foram sand with diverse foram assemblages including benthics. Clast at 510cm is slightly less calcareous than matrix. |
Temporal | |
Lithology | |
Topic |
581-586 cm (core, piston)
Description | 581-586cm. Removed on board ship. |
Note | Sample exhausted. |
586-648 cm (core, piston)
Description | 586-648cm SS's at 612 (lens) & 640cm. Very dark gray & dark olive gray foram-fragment/coccolith clay with traces of siliceous microfossils. Large ferromag. mineral grains. A 3cm sand lens at 612cm is 65% large planktonic foram fragments and benthic forams |
Temporal | |
Lithology | |
Topic |
648-653 cm (core, piston)
Description | 648-653cm. Removed on board ship. |
Note | Sample exhausted. |
653-755 cm (core, piston)
Description | 653-755cm. SS at 699 and 723cm. Very dark gray* foram-fragment/volcaniclastic clay. Also small coiled planktonics and benthic forams. Scant trace silic. forms. Ferromag. mins. rel. common. Numerous foram silt and sand stringers. |
Temporal | |
Lithology | |
Topic |
755-760 cm (core, piston)
Description | 755-760cm. Removed on board ship. |
Note | Sample exhausted. |
760-819 cm (core, piston)
Description | 760-819cm. SS's at 782, 816cms. Dark olive gray and very dark gray* calc./biosilic. clay. Includes silicoflagellates. Fewer foram sand stringers than in overlying interval. Very indistinct clasts. Also ferromagnesian minerals, pyrite, volc. shards. |
Temporal | |
Lithology | |
Topic |
819-824 cm (core, piston)
Description | 819-824cm. Removed on board ship. |
Note | Sample exhausted. |
- Collection
- Description
-
0-25cm. Not at SIO.
117-122cm. Removed on board ship.
122-206cm. SS's at 158cm (matrix and clast). Dark gray and dark olive gray calc./biosilic. clay with volc. glass and plagioclase. Pyrite common. Ferromag. mins. present. Numerous large clasts. Clast at 158cm is less fossiliferous with smaller fragments.
206-235cm. SS at 230cm. Dark olive gray* calc./biosiliceous, slightly silty clay. Includes sponge spicules and silicoflagellates. Also volc. shards, plagioclase, ferromag. minerals. Pyrite is rel. comon. No clasts. Upper contact subtle color change.
235-272cm. SS at 260cm. Black to dark olive gray calc./silic. clay. Includes silicoflagels., siliciclastics, pyrite. Coarser textured than above. Large fossil-fragment and grain size in fine clay. One clast between 245-250cm. Rel. sharp lower contact.
25-30cm. Removed on board ship.
272-277cm. Removed on board ship
277-360cm. SS at 300cm. Very dark gray calc./biosilic. silty clay. Includes silicoflagels. Also volc.glass and plagioclase shards. Pyrite and ferromag. minerals rel. common. No clasts. Coarser texture owing to large specimen and mineral-grain size.
30-117cm SS's at 35, 66 & 95 (clast) cms. Very dark gray siliciiclastic clay with fragmented forams (some benthics), diatoms, sponge spics., and radiolarians. Pyrite common. Large volc. shards at 35cm. Numerous 1-5cm clasts. Clast at 95cm is less calcareous
360-427cm. SS at 380cm. Very dark gray* siliceous clay with some forams and coccoliths. Includes silicoflagels., minute volc. glass and plagioclase shards. Less fossiliferous than overlying unit. Very indistinct mottles. Gradational upper contact.
427-432cm. Removed on board ship.
432-490cm. SS's at 450cm. Very dark gray and dark olive gray siliciclastic clay with foram frags. (some benthics), and traces siliceous microfossils. Contains stringers of foram silt and sand. Transitional lower contact.
490-581cm. SS's at 510 (clast), 550 and 569 (lens) cm. Dark olive gray* foram-fragment clay to ooze. Stringers and lenses of foram sand with diverse foram assemblages including benthics. Clast at 510cm is slightly less calcareous than matrix.
581-586cm. Removed on board ship.
586-648cm SS's at 612 (lens) & 640cm. Very dark gray & dark olive gray foram-fragment/coccolith clay with traces of siliceous microfossils. Large ferromag. mineral grains. A 3cm sand lens at 612cm is 65% large planktonic foram fragments and benthic forams
648-653cm. Removed on board ship.
653-755cm. SS at 699 and 723cm. Very dark gray* foram-fragment/volcaniclastic clay. Also small coiled planktonics and benthic forams. Scant trace silic. forms. Ferromag. mins. rel. common. Numerous foram silt and sand stringers.
755-760cm. Removed on board ship.
760-819cm. SS's at 782, 816cms. Dark olive gray and very dark gray* calc./biosilic. clay. Includes silicoflagellates. Fewer foram sand stringers than in overlying interval. Very indistinct clasts. Also ferromagnesian minerals, pyrite, volc. shards.
819-824cm. Removed on board ship.
- Date Collected
- 1994-02-20
- Originator
- Vessel
- Physical Description
-
Core length 824cm, diameter 6cm
- Material Details
-
2686 meters
- Note
-
Sample exhausted.
Sample exhausted.
Sample exhausted.
Sample exhausted.
Sample exhausted.
Sample exhausted.
Sample exhausted.
Sample exhausted.
Sample exhausted.
- Cruise
- Genre
- Cartographics
Point: 9.7883,-86.0727
Format
View formats within this collection
- Language
- English
- Identifier
-
Sample Number: A2-131-10-018P
- License
-
Creative Commons Attribution 4.0 International Public License
- Rights Holder
- UC Regents
- Copyright
-
Under copyright (US)
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- Digital Object Made Available By
-
Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)
- Last Modified
2020-10-28