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Morphological and interlayer geochemical studies on manganese nodules from the southwestern Carlsberg ridge
Mixed facies of manganese nodules from the southwestern Carlberg Ridge have been analysed for Mn, Fe, Ni, Cu, Co and Zn. Seventy one analyses including the averages presented for outer layer, inner layer and near-core ...
Occurrence of rhyolytic tuffs at deep sea drilling project site 219 on the Laccadive Ridge
(Geological Society of India, 1976)
A study of thin sections from the lower and middle parts of Unit 5 (Paleocene) from Site 219 shows that these largely consist of acidic or rhyolitic tuffs. The overlying limestones in Unit 5 (Paleocene) and Unit 4 (Lower ...