Archive · collection · 1983

Quaternary radiolarians and plamktonic foraminifera from the mouth of the Gulf of California

Listed in PANGAEA

I recovered well-preserved radiolarian assemblages from the Quaternary sediments drilled at all four sites at the mouth of the Gulf of California during Leg 65.

Description

The sites, with positions and water depths averaged for all hole locations per site, are Site 482 - 22°47.4'N, 107°59.6'W; water depth, 3022 meters. Site 483 - 22°53.0'N, 108°44.8' W; water depth, 3070 meters.

Site 484 - 23°11.2'N, 108°23.6'W; water depth, 2887 meters. Site 485 - 22°44.9'N, 107°54.2'W; water depth, 2981 meters. The nearly 200 taxa I identified are listed alphabetically in the systematic reference list.

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The only reliable radiolarian biostratigraphic datum determined for the Quaternary sedimentary section is the highest occurrence of Axoprunum angelinum (Hays) at Sites 483, 484, and 485.

Topics

From keywords: Earth & Environmental Science
Inferred from text: Physical geography and environmental geoscience 72%

Provenance · 1 source records, 8 field assertions

Source	Key	Last seen	Raw
PANGAEA	oai:pangaea.de:doi:10.1594/PANGAEA.817993	12 d ago	JSON v1

Field	Assertion	Extractor	Evidence
access_level	source · PANGAEA	connector:pangaea@1.0.0
concepts[field].anzsrc:group:3709	enrichment · PANGAEA	taxonomy-embedding@1.1.0	title+keywords+description (72%)
concepts[field].local:field:earth-environmental	mapping · PANGAEA	connector:pangaea@1.0.0
description	source · PANGAEA	connector:pangaea@1.0.0	/metadata/dc/description
license	source · PANGAEA	connector:pangaea@1.0.0	/metadata/dc/rights
publication_date	source · PANGAEA	connector:pangaea@1.0.0
spatial	source · PANGAEA	connector:pangaea@1.0.0
title	source · PANGAEA	connector:pangaea@1.0.0	/metadata/dc/title

Quaternary radiolarians and plamktonic foraminifera from the mouth of the Gulf of California

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