Chemical composition and age of igneous rocks from the Sierra Leone Rise

Petrographic and petrochemical study of igneous rocks from the Sierra Leone Rise indicate that trachytes, trachyandesites, trachybasalts, and tuffs derived from them occur there. K-Ar age of these rocks is 36-43 million years. Alkalic igneous activity is associated with activity of hot spots.

Data and Resources

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Cite this as

Kharin, Gennady S (1988). Dataset: Chemical composition and age of igneous rocks from the Sierra Leone Rise. https://doi.org/10.1594/PANGAEA.758749

DOI retrieved: 1988

Additional Info

Field Value
Imported on November 30, 2024
Last update November 30, 2024
License CC-BY-3.0
Source https://doi.org/10.1594/PANGAEA.758749
Author Kharin, Gennady S
Given Name Gennady S
Family Name Kharin
Source Creation 1988
Publication Year 1988
Resource Type application/zip - filename: Kharin-1988
Subject Areas
Name: Oceans

Related Identifiers
Title: Igneous rocks of the Sierra Leone Rise (Equatorial Atlantic)
Type: DOI
Relation: IsSupplementTo
Year: 1988
Source: Oceanology
Authors: Kharin Gennady S .