中国西部科技
中國西部科技
중국서부과기
Science and Technology of West China
2015年
11期
42-45
,共4页
梁伟%李力锋%王泽晶%白明辉%王兴强%赵沛东
樑偉%李力鋒%王澤晶%白明輝%王興彊%趙沛東
량위%리력봉%왕택정%백명휘%왕흥강%조패동
砂岩碎屑%河口组%物源分析%抚崇盆地
砂巖碎屑%河口組%物源分析%撫崇盆地
사암쇄설%하구조%물원분석%무숭분지
Sandstone Detritus%Provenance Analysis%Fuzhou-Chongren Basin
抚崇盆地河口组砂岩碎屑特征为：石英含量偏高，含量占碎屑颗粒总量的40%～77%，平均49%；长石含量占碎屑总量的9%～29%；岩屑种类较多，占碎屑总量的12%～35%。物源区的构造背景较为复杂，主要为活动大陆边缘和被动大陆边缘构造背景。盆地碎屑沉积物母岩主要为花岗岩类、变质岩及少量沉积岩。
撫崇盆地河口組砂巖碎屑特徵為：石英含量偏高，含量佔碎屑顆粒總量的40%～77%，平均49%；長石含量佔碎屑總量的9%～29%；巖屑種類較多，佔碎屑總量的12%～35%。物源區的構造揹景較為複雜，主要為活動大陸邊緣和被動大陸邊緣構造揹景。盆地碎屑沉積物母巖主要為花崗巖類、變質巖及少量沉積巖。
무숭분지하구조사암쇄설특정위：석영함량편고，함량점쇄설과립총량적40%～77%，평균49%；장석함량점쇄설총량적9%～29%；암설충류교다，점쇄설총량적12%～35%。물원구적구조배경교위복잡，주요위활동대륙변연화피동대륙변연구조배경。분지쇄설침적물모암주요위화강암류、변질암급소량침적암。
The characteristics of sandstone detritus of Hekou Formation showed a high content of quartz and many types of detritus. The tectonic setting of the provenance of Fuzhou-Chongren basin is relatively complex. The provenance is mainly situated between active continental margin and passive continental margin. Parent rocks of clastic sediments in the basin are mostly granites, metamorphic rocks and small amounts of sedimentary rocks.
