syenites 中文意思是什麼

syenites 解釋
石榴石
  1. Abstract : the paper presents distribution of nepheline syenites and theirtectonic settings, rock assembladges, mineral associations and geochemisical characteristics, discusses the relationship between the minerological characteristics of main minerals and their host rock

    文摘:介紹了中國霞石正長巖的分佈、產出的大地構造環境、巖體的巖石組合、巖石的地球化學和造巖礦物組合特徵。
  2. Geochronological, geochemical and sr - nd isotopic data are reported for the alkaline igneous rocks ( syenites and zhaibei aluminous a - type granite ) and chebu gabbro in southern jiangxi province. shrimp zircon u - pb dating results indicate that the quannan syenite, zhaibei a - type granite and chebu gabbro formed during the early yanshanian period

    對贛南燕山早期的富堿火成巖(正長巖和寨背鋁質a型花崗巖)和車步輝長巖進行了詳細的年代學、元素和sr - nd地球化學研究。
  3. Partial melting of the enriched lithospheric mantle owing to a raised geotherm caused by lithosphere thinning and following the afc process resulted in the formation of the quannan and tabei syenites in southern jiangxi

    隨著拉張作用加強,受軟流圈物質交代過的巖石圈地幔的小比例部分熔融形成的高鉀堿性巖漿經afc作用形成堿性雜巖(全南和塔背巖體) 。
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