矿产与地质
礦產與地質
광산여지질
MINERAL RESOURCES AND GEOLOGY
2015年
3期
328-333
,共6页
沈滔%江官军%贺海根%李海东
瀋滔%江官軍%賀海根%李海東
침도%강관군%하해근%리해동
早燕山期%岩浆作用%构造环境%北武夷地区%江西
早燕山期%巖漿作用%構造環境%北武夷地區%江西
조연산기%암장작용%구조배경%북무이지구%강서
early Yanshanian%magmatism%structural environment%northern Wuyi region%Jiangxi
在华南大陆燕山期构造-岩浆作用及年代学理论研究的基础上,收集了大量该区的地质资料及前人研究成果,从成矿系列的划分、成矿岩浆岩的时代、岩浆活动与成矿、构造环境及动力学机制与成矿、矿产分布规律等方面系统阐述了近几年来该区在早燕山时期构造-岩浆作用与成矿研究的相关进展。发现在宏观区域上华南与中生代岩浆作用有关的矿床被划分为了新的五个成矿系列,而江西北武夷地区属第五系列,为武夷―云开成矿带中在印支-燕山期与混合花岗岩、花岗岩有关的成矿系列;随着测年技术及方法的提升,成矿岩浆岩时代的厘定也更加精准;早燕山期的主要矿化类型为岩浆热液型和斑岩型两种,其成矿物质可能起源于同一源区,并受到了构造环境边界及多期次动力学活动的制约;矿产分布规律已越发明确。
在華南大陸燕山期構造-巖漿作用及年代學理論研究的基礎上,收集瞭大量該區的地質資料及前人研究成果,從成礦繫列的劃分、成礦巖漿巖的時代、巖漿活動與成礦、構造環境及動力學機製與成礦、礦產分佈規律等方麵繫統闡述瞭近幾年來該區在早燕山時期構造-巖漿作用與成礦研究的相關進展。髮現在宏觀區域上華南與中生代巖漿作用有關的礦床被劃分為瞭新的五箇成礦繫列,而江西北武夷地區屬第五繫列,為武夷―雲開成礦帶中在印支-燕山期與混閤花崗巖、花崗巖有關的成礦繫列;隨著測年技術及方法的提升,成礦巖漿巖時代的釐定也更加精準;早燕山期的主要礦化類型為巖漿熱液型和斑巖型兩種,其成礦物質可能起源于同一源區,併受到瞭構造環境邊界及多期次動力學活動的製約;礦產分佈規律已越髮明確。
재화남대륙연산기구조-암장작용급년대학이론연구적기출상,수집료대량해구적지질자료급전인연구성과,종성광계렬적화분、성광암장암적시대、암장활동여성광、구조배경급동역학궤제여성광、광산분포규률등방면계통천술료근궤년래해구재조연산시기구조-암장작용여성광연구적상관진전。발현재굉관구역상화남여중생대암장작용유관적광상피화분위료신적오개성광계렬,이강서북무이지구속제오계렬,위무이―운개성광대중재인지-연산기여혼합화강암、화강암유관적성광계렬;수착측년기술급방법적제승,성광암장암시대적전정야경가정준;조연산기적주요광화류형위암장열액형화반암형량충,기성광물질가능기원우동일원구,병수도료구조배경변계급다기차동역학활동적제약;광산분포규률이월발명학。
Based on the theoretical research on Yanshanian tectono-magmatism and geochronology of South China,the author gathered a large amount of geological data and previous research,and elaborated on the re-cent achievements in the study of early Yanshanian tectono-magmatism and mineralization in this area from the perspectives of division of metallogenic series,age of ore-forming magmatic rocks,magmatic activities and mineralization,structural environment and dynamic mechanics,as well as distribution regularities of mineralization and mineral resources.The author discovered that at the macro level deposits in South China related to Mesozoic magmatism were divided into five new metallogenic series,while Wuyi region of Jiangxi fell into the fifth series,namely the metallogenic series which was related to migmatitic granite and granite of Indo-Chinese-Yanshanian epoch in Wuyi-Yunkai metallogenic belt.With the improvements in dating technol-ogies and methods,the determination of age of metallogenic magmatic rocks became more accurate.The pri-mary mineralization types in early Yanshanian were magmatic hydrothermal type and porphyry type,both of which were possibly originated from the same source area and were restrained by structural boundary and multi-stage dynamic activities.The distribution regularity of mineral resources became more explicit.