凝结剂
发表于 2025-3-30 10:34:30
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歹徒
发表于 2025-3-30 14:59:44
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小平面
发表于 2025-3-30 20:29:12
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首创精神
发表于 2025-3-30 23:48:17
The Geological History of Cenozoic Polar Oceans: Arctic Versus Antarctic — an Introductionegions (Frakes, 1979; Schwarzbach, 1974). During most of these ‘glacial’ episodes, plate tectonics — or was it pure coincidence? — placed a large and therefore elevated land mass (Hay ., 1981) at one or the other of the poles. These polar continents were subsequently covered by ice-sheets, the geolo
FLAIL
发表于 2025-3-31 03:18:32
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Debark
发表于 2025-3-31 08:36:37
The Opening of the Arctic Oceanresent. At 180 Ma, most of the northern hemisphere consisted of one unbroken continental mass that stretched from the western margin of North America to the eastern margin of the Siberian Platform. With the Arctic Alaska/Chukotka Block closed against Arctic Canada, the western margin of Laurasia fro
Ccu106
发表于 2025-3-31 10:18:48
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LARK
发表于 2025-3-31 17:01:38
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惊呼
发表于 2025-3-31 20:47:15
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