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Detailed studies of the petrography, petrochemistry and geochemistry, indicate these volcanic rocks have high contents of aluminum and potassium and are intermediate to acid lavas and homoplasmic tufts. |
中文意思: 通过对该组火山岩的岩石学、岩石化学和元素地球化学研究,确认该火山岩为中性。 |
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