沉积型层控矿床.docx
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沉积型层控矿床.docx
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沉积型层控矿床
沉积型层控矿床
全区存在沉积型层控矿床的研究区主要有卡尔卡拉林,吉尔吉斯阿拉套,楚-伊犁,卡拉套地区。
全区沉积型层控矿床地质时代有晚古生代寒武系(Cam),早古生代泥盆系(D),石炭系(C),中生代侏罗系(J),白垩系(K),新生代古近系(E)。
全区沉积型层控矿床矿物组合有三水铝矿,赤铁矿,高岭石,磁铁矿,钒云母,石英,磷灰石,硬水铝石,沥青铀矿,铀石,矾土。
全区围岩蚀变类型有硅化作用,绢云母化,绿帘石化,氧化。
主要矿物元素有Al,V,Fe,phosphorite。
次要矿物元素有Mo,U,Ni,Zn。
全区矿床规模以小型矿床为主,中、大、超大型矿床偏少。
全区沉积型层控矿床类型主要有沉积型层控——铝矿床、铁矿床、磷矿床、铀矿床、钒矿床。
以下为该类矿床的详细分类。
沉积型层控铝矿床
岩石类型:
。
地质时代:
古生代,中生代{C1,D3,K1,T1,К2,С1-С2}
主要矿石矿物:
三水铝矿,赤铁矿,高岭石,菱铁矿,硬水铝石,针铁矿,铝铬铁矿
围岩蚀变:
硅化
化学元素标志
主要矿物元素:
Al次要矿物元素:
V,Fe,Ti,P
矿床规模:
小型与中型矿床
构造带:
Andyghen-Kichikalay,Dekhkanabad,Emba,Farghona-Isfara-Osh,Kughitang,MughodjarEast,Muzkol,Sarez,TorgayCentral,TorgayNorth,TorgaySouth,TorgayWest,Urmetan,Zauralsk,Zhaman-Sarysu
构造分区:
Kairaqty,Kempirsai,Northern,Southern,StepnyakEast,Tashkumyr,Troitsk,Yagnob,Zhaman-Sarysu
包含研究区域:
杰孜卡兹甘,卡拉套,吉尔吉斯阿拉套,卡尔卡拉林
品位吨位模型:
沉积型层控铝矿床吨位模型
沉积型层控铝矿床品位模型
ID
1733
Name
Krasnooktyabrskoe
Russianname
Краснооктябрьское
Country
KAZAKHSTAN
MajorCommodity
Al
Deposit_Type
Sedimentarystratiform
DepositSize
Largeandverylarge
Administrativedistrict
QostanayOblysy
Geologicalsettingsandrocks
ThedepositislocatedinthewesternflankofTurgaidepression,intheWesternTurgaibauxitebasin.TheareaiscomposedofdislocatedLowerCarboniferousrocks(limestone,andesiteporphyrite,tuffite)overlinedwithflatsandy-clayMZ-CZdeposits.PreorePaleozoicbasementwasintrudedwithsmalldioriteandplagiogranite-porphyrybodies.Thebasementsurfaceiscomplicatedbyfaults,aswellasbykarstanderosion-karstdepressionsfilledwithbauxite-bearingdepositsvariedinshapeandinsize.Thebauxite-bearingdepositsformtwomembers,loweronecomposedofvariegatedclayandupperone,includingstone,loose,aclayeybauxites.
Geologicalage
MZ-CZ
TectonicZone
TorgayCentral
Wallrockalteration
sideritization
Orebodymorphology
26orebodiesaregrouppedat2sites,Northern(17)andSouthern(9).Oreswereformedthroughresedemintationоlateriteweatheringcrusttocarstdepressions.
Majorminerals
gibbsite,hydrohematite,hematite,kaolin,siderite
Minorminerals
chlorite,pyrite,corundum,calcite
Grade
A12O341.8-49.8%;SiO25.2-14.0%;Fe2O37.2-24.2%
Tonnage
Res.Aremorethan120Mt
ID
1773
Name
Klochkovskoe
Russianname
Клочковское
Country
KAZAKHSTAN
MajorCommodity
Al?
?
?
Cu
Deposit_Type
Sedimentarystratiform
DepositSize
Medium
Administrativedistrict
QostanayOblysy
Geologicalsettingsandrocks
KlochkovskoeisconfinedtothewesterncontactoftheSouth-Adaevskyintrusivemassif,formedmainlybyquartzporphyraceousdiorites,dioriteporphyritesand
granodiorites.Theinclosingrocksarerepresentedbyvolcanic-sedimentaryformationsoftheUpperMiddleVise.Residuumsofanaveragethicknessof40mare
developedovertheinfoldedbasementrocks;theyareoverlappedbysandy-clayeysedimentsoftheNeogene-Quaternaryupto20mthick.
TectonicZone
TorgayCentral
Wallrockalteration
Allvarietiesofintrusiverockshaveundergonesignificanthydrothermalalterations,expressedbysilicification,sericitizationandepidotizationwhichconfinethemostintensesulphidemineralization.
Orebodymorphology
Asaresultofexplorationdrillingat400x200mgrid,74-94mthickmineralizationwithacoppergradeof0.3to0.74%andgoldgradeof0.1-0.2g/twasdetected.ThemineralizationislocalizedbothintheintrusiverocksofthePaleozoicbasement(primaryores)andintheproductsoftheirweathering(oxidized).Primaryoresaretracedwiththeholestoadepthof226m,oxidized–to30m.Themineralizationintheresiduumisricherthaninthebedrock,accordingtocommercialcomponentsgrade.
Окисленныерудызанимаютплощадьравную2800тыс.м2,присреднеймощностиоруденения31,5м,объемокисленныхрудсоставляет86млн.м3,прогнозныересурсыприобъемноймассе2,2т/м3–190млн.т.ресурсымедиприсреднемсодержании0,35%оцениваютсяв665тыс.т.Первичныерудызанимаютнесколькоменьшуюплощадьивыявленныескважинами3,6,7,9–11.Мощностьрудныхинтерваловпоскважинам,выделенныхпобортовомусодержаниюмеди0,1%,варьируетот14до184мивсреднемсоставляет82,4м.
Majorminerals
Gibbsite
Grade
Cu-0.1-1.28%,av.Cu-0.21%.
Tonnage
Copperpotentialresourcesareestimatedat0.825Mt,andgoldresourcesatabout15tons.Площадь,приходящаясянапервичныеруды,составляет1200тыс.м2.Присреднихпоказателяхмощности,содержаниямеди,приведенныхвыше,иобъемноймассе2,6т/м3прогнозныересурсырудопроявлениясоставляют:
руды–260млн.т,меди–550тыс.т.изолотаприсреднемсодержании0,15г/т–около40т.
Tectoningsetting
ThesouthernpartofValer'yanovskayazone
ID
1853
Name
Kirovskoe
Russianname
Кировское
Country
KAZAKHSTAN
MajorCommodity
Al,Ti
Deposit_Type
Sedimentarystratiform
DepositSize
Largeandverylarge
Administrativedistrict
AqtobeOblysy
Geologicalsettingsandrocks
Theweatheringcrust10-15mthickoccursonthebasementrocks:
shale(O)intrudedbygabbro-amphibolite,diabase,porphyrite(C).Cretaceouscontinentaldepositsinclude2members:
thelowerone15-20mthickcomposedoffeldspar-quartzsandwithsomepebbleinthebottomandtheuppeermemberupto35mthick-variegatedbauxiteclayandbauxite,turningdowntheslopeintocoalyclaywithcoalandbauxitelenses.
Geologicalage
K1
TectonicZone
TorgayWest
Wallrockalteration
sideritization
Orebodymorphology
Theweatheringcrust10-15mthick-minimalthicknessisattherisesandmaximal-atthedepressionsofpre-aptianrelif.
Majorminerals
gibbsite,siderite,kaolinite
Minorminerals
boehmite
Grade
(stonebauxite)SiO27.8%;Аl20338.4%;Fe20317.2%;(soft)SiO211.8%;Аl20339.6%;Fe2038.6%,,(clay-like):
SiO29.9%;Аl20336.8%;Fe20316.9%
沉积型层控铁矿床
岩石类型:
地质时代:
中生代,新生代{E3,J,K2}
矿体形态:
菱铁矿,含铁绿泥石,含水针铁矿,赤铁矿,磁铁矿,假象赤铁矿,石英,氯酸盐,方解石
围岩蚀变:
氧化,卡瓦克
化学元素标志
主要矿物元素:
Fe,Mn次要矿物元素:
V,Cu,Co
矿床规模:
小型矿床
构造带:
TorgayCentral,Naryn,Teniz,FarghonaNorth,Mangyshlak,Emba
构造分区:
Kavak,Tashkumyr,Northern,Kempirsai
品位吨位模型:
沉积型层控铁矿床品位模型
ID
857
Name
Kurmenty
Russianname
Курменты
Country
KYRGYZSTAN
MajorCommodity
Fe
Deposit_Type
Sedimentarystratiform
DepositSize
Medium
Administrativedistrict
NarynOblysy
Geologicalsettingsandrocks
Hostrocks:
schistofJetymformation(V)
TectonicZone
Naryn
Tectonicsubzone
Kavak
Wallrockalteration
Kavak
Orebodymorphology
Lensesformaore-bearinghorizon3.5kmlongvariedinthicknessfrom100mintheeastandwestto300–400minthecentalparts.Orebodiesvaryfrom0.5kmto2kminlengthandfrom2mto26minthickness(total–50-70m)
Majorminerals
haematite,magnetite
Minorminerals
chlorite,quartz
Grade
Fe20%,(CaO+MgO)1.3-6.0%,P2O5–0.05-0.75%,SO3–0.02-0.65%.
Tonnage
Fe56Mt
ID
1711
Name
Ayatskoe
Russianname
Аятское
Country
KAZAKHSTAN
MajorCommodity
Fe
MinorCommodity
V
Deposit_Type
Sedimentarystratiform
DepositSize
Largeandverylarge
Administrativedistrict
QostanayOblysy
Geologicalsettingsandrocks
Leptochlorite-sideriteorehorizonoverlaysquartz-glauconitesand(K2cn)rarePzrocksandtheirweatheringcrust.Itisoverlayedbyligniteclay(K2cm-ma),aswellas,bysand-claydeposits(E-Q)
Geologicalage
K2
TectonicZone
TorgayCentral
Tectonicsubzone
Wallrockalteration
oxidation
Orebodymorphology
Subhorizontalbeds2-9mthickofooliticoresandconcretionalsideriteores(2500sq.kmarea)form13orebodies,insomeplaces-oxidizedandredepositedenrichedooliticores
Majorminerals
siderite,ferriferouschlorite,hydrogoethite
Minorminerals
calcite,quartz,clayminelals,gipsum
Grade
Fe-37.1%,FeO13,8%,Mn-0.5-5%,TiO2-0.1-0.42%,V2O5-0.05-0.13%,NiO-to0.01%
Tonnage
Res.Total-11,600Mtincluding(А+В+С1)–1,755.450Mt,(С2)–5,188.1Mt,off-balance-3,209.210Mt
沉积型层控——磷矿床
地质时代:
古生代,新生代。
Cam,E1-2,K,O3-S1
围岩蚀变:
接触变形,碳酸盐化
化学元素标志
主要矿物元素:
P次要矿物元素:
F,REE,V,Co,Ni
矿床规模:
小型矿床
构造带:
Chu-Sarysu,Dekhkanabad,Emba,GissarSouth,Karoi,Kholzun-Chuisk,Kyzylkum,Mangyshlak,Nuratau-Malguzar,Pericaspian,Surkhandariya
构造分区:
Ardjanak,Bukhara,Kempirsai,Northern,Shakhrisab,Southern,Zhanatas
实例:
karatau.pdf,geres.pdf,koksu.pdf,janatas.pdf,
包含研究区域:
卡拉套
品位吨位模型:
沉积型层控磷矿床品位模型
ID
914
Name
Chulaktau-I
Russianname
Чулактау-I
Country
KAZAKHSTAN
MajorCommodity
phosphorite
Deposit_Type
Sedimentarystratiform
DepositSize
Largeandverylarge
Administrativedistrict
ZhambulOblysy
Geologicalsettingsandrocks
ThedepositislocatedintheSEparofQarataubasin
Geologicalage
Cam2
TectonicZone
Karoi
Tectonicsubzone
Zhanatas
Wallrockalteration
metamorphosis
Orebodymorphology
Aphosphoritehorizon15-20mthickincludes1-2beds(3-10mthick,0.2-5kmlong)
Majorminerals
apatite
Tonnage
Res.6Mt
ID
1222
Name
Sherabad-II
Russianname
Шерабад-II
Country
Uzbekistan
MajorCommodity
phosphorite
Deposit_Type
Sedimentarystratiform
DepositSize
Small
Administrativedistrict
SurxondaryoOblysy
Geologicalsettingsandrocks
ThedepositisrelatedtotheSElimboftheKagnyAnticlineasapartoftheSherabad-SarykamyshUplift.TheSarykamyshThrustFaultisthemajortectoniclinecontrollingthestructureofthedeposit.ThedepositareaiscoveredbyUpperCretaceousandPaleogenesediments.QuaternarysedimentsoccurintheSEpartofthedeposit.Theoreishostedinthesulfate-carbonateunitoftheKachinStagewithfrequentalternationofgypsum-anhydriteandcarbonate(bituminous,dolomitic,organogenic,andbreccia-likelimestones)lenticularlayers.
Geologicalage
Pg
TectonicZone
Surkhandariya
Wallrockalteration
Carbonatization
Orebodymorphology
TheUpperunitthatincludest
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