Chemical composition and age of igneous rocks from the Sierra Leone Rise
收藏DataONE2017-08-05 更新2024-06-26 收录
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资源简介：
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.
创建时间：
2018-01-05
