Phytoliths from the Southwest Pacific, Site 591

Phytoliths from the Southwest Pacific, Site 591
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来自西南太平洋的植硅体，Site 591

DOI：
10.2973/dsdp.proc.90.122.1986
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发表时间：
1985
期刊：
影响因子：
--
通讯作者：
E. Martini
E. Martini
中科院分区：
--
文献类型：
--
作者：
S. Locker;E. Martini

文献摘要

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在西南太平洋的591号站点的深海沉积物中描述了植物硅体。它们的区域分布 与澳大利亚的干旱和半干旱地区有关，它们从那里被西风吹到塔斯曼 海域。地层记录范围从中新世中期(约14.4英里)到早更新世。一个 在上新世观测到的频率明显增加，最大值约为2.5英里。与重要的 古地理和古气候学的趋势：南极冰盖的发展，南极冰盖的北移 澳大利亚板块，以及澳大利亚大陆干旱条件的产生。
Phytoliths are described from deep sea sediments at Site 591 in the southwestern Pacific. Their regional distribution is related to the arid and semiarid regions of Australia, from where they were blown by westerly winds into the Tasman Sea area. The stratigraphic record ranges from the middle Miocene, at about 14.4 m.y., until the early Pleistocene. A distinct increase in frequencies observed during the Pliocene and a maximum at about 2.5 m.y. coincide with important trends in paleogeography and paleoclimatology: the development of the Antarctic ice cap, the northward drift of the Australian Plate, and the generation of arid conditions on the Australian continent.