鲁西西部长清界首一带的泰山群——界首绿岩带简介

TAISHAN GROUP AROUND JIESHOU,CHANGQING COUNTY IN THE WEST PART OF WESTERN SHANDONG:A BRIEF ACCOUNT OF THE GREENSTONE BELT THEREIN

摘要:

位于鲁西西部长清界首一带的“泰山群”由角闪绿泥片岩和浅粒岩组成,也含一定数量的片麻岩和变粒岩,少见混合岩。其中包括相当多的变质熔岩及岩浆杂岩。其层位可能有别于泰沂山区的泰山群。它的东部与泰山主峰地区的“泰山杂岩”以津浦沿线的界首糜棱岩带和界首断层相隔;西部被岩浆岩侵没。层序倒转,厚逾3000m。构成巨大的界首绿岩带向斜。在界首一带还有大量的金异常分布。

Abstract:

Taishan Group in Jieshou,Changqing County in the west of western Shandong is composed of hornblende chlorite-schist and bueoleptite,with some gneiss leptynite and rare migmatite.The group includes plenty of metamorphosed Lava and magmatic complex.Its stratigraphic level may differ from that of its counterpart in the Taiyi mountain area. In the east it is separated from the Taishan complex,around the highest peak of the Mt. Taishan by the Jieshou mylonite and the Jieshou Fault along the Tianjin-Pukou railway...