| 黑龙江七星河含煤盆地古近纪-新近纪沉积相及层序地层特征 |
| |
| 引用本文： | 商晓旭,;邵龙义,;马立军,;野兆瑞,;曲延林.黑龙江七星河含煤盆地古近纪-新近纪沉积相及层序地层特征[J].中国煤炭地质,2014(9):1-7. |
| |
| 作者姓名： | 商晓旭 ;邵龙义 ;马立军 ;野兆瑞 ;曲延林 |
| |
| 作者单位： | [1]中国矿业大学(北京),北京100083; [2]黑龙江省煤田地质局,黑龙江哈尔滨150006 |
| |
| 基金项目： | 国家科技重大专项（2011ZX05033-002）; 国土资源大调查项目（1212011121043） |
| |
| 摘 要： | 黑龙江省东部七星河盆地是一新生代聚煤盆地,其含煤地层为古近系宝泉岭组、新近系富锦组。宝泉岭组由各级砂岩、泥岩、炭质泥岩以及褐煤组成,发育滨浅湖相、深-半深湖相、三角洲平原相,属于湖泊沉积体系、三角洲沉积体系。富锦组主要由泥岩、粉砂岩、中砂岩、含砾粗砂岩及煤层、炭质泥岩、硅藻岩组成,发育滨浅湖相、扇三角洲平原相,分别属于湖泊沉积体系和扇三角洲沉积体系。层序SI相当于宝泉岭组,发育低位体系域、湖侵体系域和高位体系域,煤层主要发育高位体系域中后期,成煤环境以滨浅湖淤积沼泽为主。层序SII相当于富锦组,主要发育湖侵体系域、高位体系域,局部地区发育低位体系域,煤层亦主要发育高位体系域中后期,成煤环境以扇三角洲淤积沼泽和滨浅湖淤积沼泽为主。层序SI、SII的高位体系域中后期,盆地基底沉降速率和物源供给处于相对平衡状态,主要发育了扇三角洲淤积沼泽、滨浅湖和滨浅湖淤积沼泽环境,发育可采煤层。
|
| 关 键 词： | 七星河盆地 古近纪 新近纪 宝泉岭组 富锦组 聚煤作用 |
Paleogene-Neogene Sedimentary Facies and Sequence Stratigraphic Characteristics in Qixinghe Coal-bearing Basin,Heilongjiang |
| |
| Shang Xiaoxu;Shao Longyi;Ma Lijun;Ye Zhaorui;Qu Yanlin.Paleogene-Neogene Sedimentary Facies and Sequence Stratigraphic Characteristics in Qixinghe Coal-bearing Basin,Heilongjiang[J].Coal Geology of China,2014(9):1-7. |
| |
| Authors: | Shang Xiaoxu;Shao Longyi;Ma Lijun;Ye Zhaorui;Qu Yanlin |
| |
| Institution: | Shang Xiaoxu, Shao Longyi, Ma Lijun, Ye Zhaorui,Qu Yanlin (1. China University of Mining and Technology (Beijing), Beijing 100083; 2. Heilongjiang Bureau of Coal Geological Exploration, Harbin, Heilongjiang 150006) |
| |
| Abstract: | The Qixinghe Basin in eastern Heilongjiang is a Cenozoic coal accumulation basin. Its coal-bearing strata belong to Paleogene Baoquanling Formation and Neogene Fujin Formation. The Baoquanling Formation is comprised of sihstone, sandstone of various grain sizes, mudstone, carbonaceous mudstone and lignite; developed littoral-shallow lacustrine facies, deep-semideep lacustrine facies, delta plain facies belong to lake sedimentary system, lake delta sedimentary system. The Fujin Formation is comprised of mudstone, sihstone, medium-grained sandstone, pebbly coarse-grained sandstone, coal, carbonaceous mudstone and diatomite; developed littoral-shallow lacustrine facies, fan delta plain facies, belong to lake sedimentary system and fan delta sedimentary system respectively. Sequence SI is corresponding to Baoquanling Formation; developed lowstand system tract, lacustrine transgressive system tract and highstand system tract. Coal seams were mainly developed during middle to late stages of highstand system tract; coal-forming environment was mainly littoral-shallow lacustrine silting bog. Sequence SII is corresponding to Fujin Formation; mainly developed lacustrine transgressive system tract, highstand system tract, locally lowstand system tract. Also, coal seams were mainly developed during middle to late stages of highstand system tract; coal-forming environment was mainly fan delta silting bog and littoral-shallow lacustrine silting bog. During sequences SI, SII middle to late stages of highstand system tract, basin basement settlement rate and sediment supply were in a relatively balanced state, mainly developed fan delta silting bog, in littoral-shallow lacustrine and littoral-shallow lacustrine silting bog environments have developed mineable coal seams. |
| |
| Keywords: | Qixinghe Basin Paleogene Neogene Baoquanling Formation Fujin Formation coal accumulation |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
