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黑龙江省三江盆地鹤岗凹陷下白垩统猴石沟组沉积特征
投稿时间:2019-06-05  修订日期:2019-09-18  点此下载全文
引用本文:冀华丽,何中波,秦明宽,卫三元,曹建辉,杨帆.2020.黑龙江省三江盆地鹤岗凹陷下白垩统猴石沟组沉积特征[J].地质论评,66(1):52-67,[DOI]:.
JI Huali,HE Zhongbo,QIN Mingkuan,WEI Sanyuan,CAO Jianhui,YANG Fan.2020.Sedimentary characteristics of Lower Cretaceous Houshigou Formation in Hegang Depression, Sanjiang Basin, Heilongjiang Province[J].Geological Review,66(1):52-67.
DOI:10.16509/j.georeview.2020.01.004
摘要点击次数: 115
全文下载次数: 89
作者单位E-mail
冀华丽 核工业北京地质研究院北京100029 Email:jhl19890303@163.com 
何中波 核工业北京地质研究院北京100029 Email:hzb100029@163.com 
秦明宽 核工业北京地质研究院北京100029  
卫三元 核工业北京地质研究院北京100029  
曹建辉 核工业北京地质研究院北京100029  
杨帆 中石化石油工程技术研究院北京100101  
基金项目:注:本文为国防预研究基金和中国核工业地质局铀矿勘查项目(编号:201713,201929)的共同成果
中文摘要:笔者等通过对鹤岗凹陷北部露头和钻孔资料的综合利用,结合少量的样品分析及薄片鉴定工作,对研究区下白垩统猴石沟组主要岩石学特征、沉积相类型及展布特征进行了综合研究,在此基础上,以砂岩型铀矿成矿理论为指导,对猴石沟组有利成矿砂体的沉积相类型进行了初步讨论。认为 ① 猴石沟组砂体以长石岩屑砂岩和岩屑砂岩为主,主要为陆相淡水沉积环境,具较高的还原容量;② 研究区内猴石沟组主要为扇三角洲沉积环境,并划分为辫状河道、漫滩沼泽、水下分流河道、河口坝、席状砂和分流间湾等6种微相;③ 猴石沟组沉辫状河道砂体可作为寻找潜水氧化带型砂岩型铀矿的重点类型,而水下分流河道砂体是作为寻找层间氧化带型砂岩型铀矿的主攻类型。
中文关键词:下白垩统猴石沟组  扇三角洲  沉积相  鹤岗凹陷
 
Sedimentary characteristics of Lower Cretaceous Houshigou Formation in Hegang Depression, Sanjiang Basin, Heilongjiang Province
NameInstitution
JI HualiBeijing Research Institute of Uranium Geology, Beijing, 100029
HE ZhongboBeijing Research Institute of Uranium Geology, Beijing, 100029
QIN MingkuanBeijing Research Institute of Uranium Geology, Beijing, 100029
WEI SanyuanBeijing Research Institute of Uranium Geology, Beijing, 100029
CAO JianhuiBeijing Research Institute of Uranium Geology, Beijing, 100029
YANG FanSinopec Research Institute of Petroleum Engineering, Beijing, 100101
Abstract:Objectives:The sedimentary facies types of the favorable ore forming sand bodies of the Houshigou Formation are preliminarily discussed under the guidance of the metallogenic theory of sandstone type uranium deposits, combined with a small amount of sample analysis and thin section identification work,through the comprehensive utilization of outcrop and borehole data in the north of Hegang Depression. Methods:In this paper, the main petrological characteristics, sedimentary facies types and distribution characteristics of the Lower Cretaceous Houshigou Formation in the study area are comprehensively studied. Conclusions: It is shown that: ①The sand bodies of the Houshigou Formation are mainly feldspathic lithic sandstones and lithic sandstones, which are mainly continental freshwater sedimentary environments with high reduction capacity; ②The Houshigou Formation in the study area is mainly fan delta sedimentary environment, and is divided into six microfacies: braided channel, floodplain swamp, underwater distributary channel, estuary bar, sheet sand and distributary bay; ③The submerged braided channel sand body of the Houshigou Formation can be used as a key type for searching for phreatic oxidized type sandstoneuranium deposit, while the underwater distributary channel sand body is the main type for searching for interlayer oxidized zone type sandstone uranium deposit.
keywords:Lower Cretaceous Houshigou Formation  fan delta  sedimentary facies  Hegang Depression,Sanjiang Basin, Heilongjiang Province
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