甘肃冶金
甘肅冶金
감숙야금
GANSU METALLURGY
2015年
2期
104-107
,共4页
铅锌银矿床%地质特征%矿床成因%格鲁其堆山
鉛鋅銀礦床%地質特徵%礦床成因%格魯其堆山
연자은광상%지질특정%광상성인%격로기퇴산
Pb-Zn-Ag deposits%geological characteristics%genesis%Geluqidui mountain
格鲁其堆山位于额尔古纳地块中部,出露地层主要为新元古界、志留系、石炭系、白垩系、第四系地层;构造表现为褶皱和断裂构造,走向以NE向为主;侵入岩主要包括黑云母花岗岩和黑云母二长花岗岩;矿区内共发现3条铅锌银矿体,分别为Ⅱ-1、Ⅱ-2、Ⅺ-1号矿体,其中Ⅱ-1、Ⅱ-2号矿体产出在G-HT-2号异常中,Ⅺ-1号矿体产出在G-HT-Ⅺ异常中,围岩蚀变以中-低温蚀变为主,矿床成因类型为中低温热液矿床。
格魯其堆山位于額爾古納地塊中部,齣露地層主要為新元古界、誌留繫、石炭繫、白堊繫、第四繫地層;構造錶現為褶皺和斷裂構造,走嚮以NE嚮為主;侵入巖主要包括黑雲母花崗巖和黑雲母二長花崗巖;礦區內共髮現3條鉛鋅銀礦體,分彆為Ⅱ-1、Ⅱ-2、Ⅺ-1號礦體,其中Ⅱ-1、Ⅱ-2號礦體產齣在G-HT-2號異常中,Ⅺ-1號礦體產齣在G-HT-Ⅺ異常中,圍巖蝕變以中-低溫蝕變為主,礦床成因類型為中低溫熱液礦床。
격로기퇴산위우액이고납지괴중부,출로지층주요위신원고계、지류계、석탄계、백성계、제사계지층;구조표현위습추화단렬구조,주향이NE향위주;침입암주요포괄흑운모화강암화흑운모이장화강암;광구내공발현3조연자은광체,분별위Ⅱ-1、Ⅱ-2、Ⅺ-1호광체,기중Ⅱ-1、Ⅱ-2호광체산출재G-HT-2호이상중,Ⅺ-1호광체산출재G-HT-Ⅺ이상중,위암식변이중-저온식변위주,광상성인류형위중저온열액광상。
The Geluqidui mountain is located in the central Eergu'Na block, the exposed strata are mainly Neoproterozoic, Silurian, Carboniferous and Cretaceous and Quaternary strata; structure displays the folds and faults to NE to the main;intrusive rocks mainly include biotite granite and biotite granite two mining area were found in 3;a lead zinc silver orebody, respectively, II-1, II-2, Xi -1 ore body, wherein the II-1, II-2, orebody in G-HT-2 abnormality, Xi No.-1 orebody at G-HT-Xi anomaly, wall rock alteration in middle low temperature alteration, the genetic type of deposit is a meso epither-mal deposit.