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首页> 外文期刊>Journal of Asian earth sciences >Triassic foraminifers of the Lampang Group (Northern Thailand)
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Triassic foraminifers of the Lampang Group (Northern Thailand)

机译：南邦组的三叠纪有孔虫（泰国北部）

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摘要

Triassic foraminifers are recognized, for the first time, in limestones from four localities of the Lampang Group (Northern Thailand), tectonically assigned to the Sukhothai Subterrane (Sukhothai Folded Belt) which is located between western the Sibumasu (Shan-Thai) Terrane and eastern Indochina. Four foraminiferal associations are distinguished: (1) Glomospirella lampangensis, n. sp., (2) Pilammina densa, (3) endothyroid foraminifers-DipIotremina astrofimbriata, and (4) Aulotortus sinuosus microfaunas. Based on comparison with the coeval European faunas, they are thought to be (1) Early Triassic (?), (2) Anisian, (3) Ladinian (?), and (4) Carnian in age. Important taxa of these associations are common to those of South China and Southeast Asia. Most of them are closely similar to those of Europe, and show a remarkable contrast with those of Middle and Late Permian foraminiferal assemblages having many provincial and endemic characters. Glomospirella lampangensis, n. sp. is herein systematically described among the distinguished 41 species.
机译：三叠纪有孔虫首次在南邦集团（泰国北部）四个地方的石灰岩中被发现，构造上被分配给位于西布马苏（山泰）地带与东部之间的素可泰亚地下（素可泰折叠带）。印度支那。区分有孔虫四个关联：（1）Glomospirella lampangensis，n。 （第2页），（2）Pilammina densa，（3）甲状腺内孔有孔虫-Diipotremina astrofimbriata，和（4）Aulotortus sinuosus微动物。根据与欧洲古代动物群的比较，它们被认为是（1）早三叠纪（？），（2）茴香属，（3）拉丁尼亚（？）和（4）嘉年华。这些协会的重要分类单元与华南和东南亚的那些相似。它们中的大多数与欧洲的相似，并且与具有许多省和地方性特征的中，二叠纪和有孔虫的有孔虫群形成鲜明的对比。南邦格氏螺旋藻sp。在本文中系统地描述了杰出的41种。

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