1) heavy mineral
重矿物
1.
The heavy minerals and provenances of the Neogene Guantao Formation in the Huanghua depression;
黄骅坳陷新近系馆陶组重矿物特征及物源区意义
2.
Result comparison of heavy mineral separation with different specific densities of bromoform;
两种密度三溴甲烷分离重矿物效果的对比分析
2) heavy minerals
重矿物
1.
Character of heavy minerals in Quaternary sediments in Yichang area and its relationship with cut-through of the Yangtze Three Gorges,China;
宜昌地区第四纪沉积物重矿物特征及其与三峡贯通的关系
2.
Characteristics of heavy minerals in a core from Jiulongjiang Estuary;
九龙江口一岩心的重矿物组合
3.
At present, there are various ways on source analysis, such as heavy minerals, clastic rock components, sporopollen analysis, sedimentary analysis, fission track, geochemistry, isotop-ic methods and so on.
物源分析是盆地沉积相研究中最基本、最重要的工作,目前物源分析的方法有:重矿物法、碎屑岩类分析法、孢粉分析法、沉积法、裂变径迹法、地球化学法和同位素法等。
3) heavy minerals
重砂矿物
1.
Characteristics of heavy minerals from Upper Devonian Donghe sandstone and Silurian sandstone in western Tazhong area,Tarim Basin,and their geological implications;
塔中西北部上泥盆统东河砂岩与志留系砂岩中重砂矿物特征与地质意义
4) light and heavy mineral
轻重矿物
1.
The synthetic analysis of REEs in mudstone,carbonate debris contents,light and heavy minerals and grain sizes of sandstone in the Chang-3 oil reservoirs shows that the sediments dominantly come from the northeast and southwest in eastern Gansu,Ordos Basin.
笔者从区域沉积背景入手,对鄂尔多斯盆地陇东地区长3油层组泥岩稀土元素、碳酸盐岩岩屑、轻重矿物、砂岩粒度等进行综合分析研究,认为研究区内存在混合物源,物源方向主要有北东向和西南向,并初步判断,北东物源的边界大致在南梁-华池地区,西南物源的边界大约在悦乐地区。
5) heavy mineral assemblage
重矿物组合
1.
Provenance analysis mainly includes comparison of debris compositions, heavy mineral assemblages, sedimentary facies, geochemical analysis, cathodoluminescence image of quartz and so on.
本课题研究区范围相对较大,受多方向物源供给的影响较大,因此,在确定白豹—华池地区长6油层组沉积时的物源区母岩性质和物源方向时,采用多种分析方法加以综合判别,其中以碎屑物成分和轻、重矿物组合比对及石英阴极发光分析技术为主要手段,得出研究区存在2个物源方向一是正北和北偏东方向的主物源方向,物源区母岩为位于鄂尔多斯盆地北部阴山古陆中低—中级变质岩与花岗岩组合的古老杂岩体;二是西南方向的次要物源方向,物源区母岩为位于鄂尔多斯盆地西南部崆峒山的下古生界地层。
2.
Based on study of the features of heavy mineral assemblage and the variation characteristics of stability factor of Jurassic in Bohu depression,this area was di-vided into several sedimentary zones and the parent rock properties and the rock types in each sedimentary zone were recovered,thus the sources of sediment s of each sedimentary zone were determined.
通过对博湖坳陷侏罗系重矿物组合特征和稳定系数变化特征研究,划分了该地区的沉积区域,并恢复了各沉积分区的母岩性质和岩石类型,从而判断出各沉积分区的物源。
6) heavy mineral group
重矿物组合
1.
In order to confirm the sedimentary source direction of Yanchang Formation in Yichuan area of Ordos Basin,according as abundant analysis and test data,using characteristic of the sandstone lithology,the features of light and heavy mineral group,paleocurrent direction,and rare earth element distributing pattern,anal.
依据大量分析化验数据,根据砂岩岩石学特征、轻重矿物组合特征、古水流方向、碎屑粒度变化及稀土元素分配模式等,对研究区延长组物源进行综合研究。
2.
The heavy mineral group includes chlorite、biotite、zoisite、hornblende and garnet.
结果显示重矿物组合及物质来源比较稳定 ,主要是冰消期以来海侵过程对陆架上早期沉积物的改造 ,其次是各种海洋动力对陆架基岩的侵蚀所形成的沉积物 ,在垂向上可以分成 3个矿物段 ,这 3个矿物段与沉积环境密切相
