单词	calcalkaline
释义	calcalkaline /kalˈkalkəlʌɪn / adjective Geology (Chiefly of rocks) relatively rich in both calcium and alkali metals.The bulk of the plutonic rocks are calcalkaline in composition and range in age from Mid-Jurassic to Early Cretaceous.... Westward subduction of the Songpan-Ganzi oceanic lithosphere in the Late Triassic caused extensive calcalkaline volcanism and intrusion along the Yidun Terrane in the Late Triassic. In the Catalonian Coastal Range Ordovician volcanic acid rocks with calcalkaline affinity probably formed by partial melting of the crust in a post-collisional setting.
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