中国矿业
中國礦業
중국광업
China Mining Magazine
2015年
11期
95-98
,共4页
柳树底%矽卡岩铜矿床%成矿流体%岩浆水%低阻%高激化%找矿模式
柳樹底%矽卡巖銅礦床%成礦流體%巖漿水%低阻%高激化%找礦模式
류수저%석잡암동광상%성광류체%암장수%저조%고격화%조광모식
Liushudi%Skarn copper deposit%ore-forming fluid%magmatic water%lower resistivity and higher activation%prospecting model
柳树底铜多金属矿床地处胶辽隆起带的太子河‐浑江坳陷西部，是典型的矽卡岩铜矿床。在结合前人资料研究成果的基础上从其矿床地质特征、地球化学特征、矿床的成因等方面分析矿床的形成过程。从其铅、硫‐氢氧稳定同位素组成反映成矿物质来源于岩浆，流体包裹体数据反映了该矿床为中高温热液矿床，成矿流体以岩浆水为主。在岩浆及构造作用下矿床经历了三次构造热蚀变及矿化作用，建立了该矿床为花岗斑岩与灰岩接触带矽卡岩型矿床的成矿模式，结合矿区内的低阻、高激化体地球物理电性特征进而建立了找矿模式。矿床地质环境为灰岩及侵入其中的花岗斑岩，加上近东西向构造岩浆活动带，矿床内高激化的物性特征，其指示矿体的分布，为寻找盲矿体提供了方向。
柳樹底銅多金屬礦床地處膠遼隆起帶的太子河‐渾江坳陷西部，是典型的矽卡巖銅礦床。在結閤前人資料研究成果的基礎上從其礦床地質特徵、地毬化學特徵、礦床的成因等方麵分析礦床的形成過程。從其鉛、硫‐氫氧穩定同位素組成反映成礦物質來源于巖漿，流體包裹體數據反映瞭該礦床為中高溫熱液礦床，成礦流體以巖漿水為主。在巖漿及構造作用下礦床經歷瞭三次構造熱蝕變及礦化作用，建立瞭該礦床為花崗斑巖與灰巖接觸帶矽卡巖型礦床的成礦模式，結閤礦區內的低阻、高激化體地毬物理電性特徵進而建立瞭找礦模式。礦床地質環境為灰巖及侵入其中的花崗斑巖，加上近東西嚮構造巖漿活動帶，礦床內高激化的物性特徵，其指示礦體的分佈，為尋找盲礦體提供瞭方嚮。
류수저동다금속광상지처효료륭기대적태자하‐혼강요함서부，시전형적석잡암동광상。재결합전인자료연구성과적기출상종기광상지질특정、지구화학특정、광상적성인등방면분석광상적형성과정。종기연、류‐경양은정동위소조성반영성광물질래원우암장，류체포과체수거반영료해광상위중고온열액광상，성광류체이암장수위주。재암장급구조작용하광상경력료삼차구조열식변급광화작용，건립료해광상위화강반암여회암접촉대석잡암형광상적성광모식，결합광구내적저조、고격화체지구물리전성특정진이건립료조광모식。광상지질배경위회암급침입기중적화강반암，가상근동서향구조암장활동대，광상내고격화적물성특정，기지시광체적분포，위심조맹광체제공료방향。
Liushudi copper polymetallic deposit is a typical skarn copper deposit ,w hich is located in the western Taiz river‐ HunJiang depression ,Jiaoliao uplift belt .Based on the combination of previous data ,the paper analysed the process of forming deposit from its geological features of ore deposit ,geochemical characteristics and the genesis of ore deposit etc .Stable isotope composition of lead ,sulfur ,hydrogen and oxygen refect the ore‐forming material is derived from magma ,fluid inclusion data reflects the deposit is a meso‐hypothermal deposit ,ore‐forming fluid mainly from magmatic water .The deposit had experienced three times of tectonic thermal alteration and mineralization by the influence of magmatism and tectonism .We established skarn deposit metallogenic model ,which is in the contact zone between the granite porphyry and limestone .The author establish the prospecting model for the kind of deposits ,which is based on the geophysical electrical features of the geological bodies with lowr resistivity and higher activation .
