Of, pertaining to, or designating the most recent division of the Proterozoic in North America, as represented by rocks in the region of the Great…
| 单词 | θ5406 |
| 释义 | the world > the earth > structure of the earth > age or period > [adjective] > pre-Cambrian > proterozoic (3) Keweenawan1876 Of, pertaining to, or designating the most recent division of the Proterozoic in North America, as represented by rocks in the region of the Great… Algonquian1889 In form Algonkian. Geology. Designating the Proterozoic eon, esp. in North America; of or relating to this period. Subcategories:— specific rocks (1) |
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