资源导刊·地球科技版
資源導刊·地毬科技版
자원도간·지구과기판
RESOURCES GUIDE·EARTH SCIENCE AND TECHNOLOGY
2013年
7期
67-73
,共7页
张均直%赵云雷%李战明%郗国增%吴飞%李大卓%张坤
張均直%趙雲雷%李戰明%郗國增%吳飛%李大卓%張坤
장균직%조운뢰%리전명%치국증%오비%리대탁%장곤
热液矿床%热液蚀变%常量组分%矿石组构特征%汝阳
熱液礦床%熱液蝕變%常量組分%礦石組構特徵%汝暘
열액광상%열액식변%상량조분%광석조구특정%여양
hydrothermal deposit%hydrothermal alteration%major constituents%characters of ore fabric%Ruyang County
老代仗沟铅锌矿床属于构造蚀变岩型热液矿床。近东西向断裂构造蚀变破碎带控制着工业矿体的空间分布。断裂蚀变破碎带具清晰的分带性:由内向外依次为碳酸盐化→绢英岩化→绿泥石化→黄铁矿化→围岩,蚀变及矿化强度也依次由强→弱。本文以蚀变分带模式客观地揭示出与找矿有关的热液蚀变信息。
老代仗溝鉛鋅礦床屬于構造蝕變巖型熱液礦床。近東西嚮斷裂構造蝕變破碎帶控製著工業礦體的空間分佈。斷裂蝕變破碎帶具清晰的分帶性:由內嚮外依次為碳痠鹽化→絹英巖化→綠泥石化→黃鐵礦化→圍巖,蝕變及礦化彊度也依次由彊→弱。本文以蝕變分帶模式客觀地揭示齣與找礦有關的熱液蝕變信息。
로대장구연자광상속우구조식변암형열액광상。근동서향단렬구조식변파쇄대공제착공업광체적공간분포。단렬식변파쇄대구청석적분대성:유내향외의차위탄산염화→견영암화→록니석화→황철광화→위암,식변급광화강도야의차유강→약。본문이식변분대모식객관지게시출여조광유관적열액식변신식。
Laodaizhanggou?lead-zinc?deposit?belongs?to?tectonic?altered?hydrothermal?ore?deposits.?The?distribution?of?the?industrial?minerals?is?controlled?by?proximally?E-W?fracture?altering?fragmentation?belt.?The?altering?fragmentation?belt?shows?a?clear?zonation:?carbonation?→?beresitization?→?chloritization?→?pyritization?→?wallrock?from?inside?to?outside,?the?intensity?of?alteration?and?mineralization?also?changed?from?strong?to?weak.?With?the?altering?zonation?pattern,?the?hydrothermal?alteration?messages?for?prospecting?impersonally?unveiled?in?the?paper.