• Author / Uploaded
• Paul Emirique B. Ibanez

Citation preview

Common Mineralogy in Hydrothermal Systems

K Silica

K, Sm Silica ± Sid

Al K Q

Q Al Q

K, Dik Q ± Dp

Al Dik Q ± Dp

Dik Q ± Dp

Dik, I Q ± Sid

Al Dik, Pyr Q ± Dp

Dik Pyr Q ± Dp

Dik Pyr Ser, Q

Pyr Q ± Dp

And, Al Pyr, Q

Conditions of

And Pyr, Q

non-dissociation

Silica Group

Alunite Group

Mineral Abbreviations: Ab - albite Act - actinolite Ad - adularia AI - alunite And - andalusite Bio - biotite Cb - carbonate (Ca, Mg, Mn, Fe) Ch - chlorite Chab - chabazite Chd - chalcedony

K, I-Sm Q ± Sid

Al K, Dik Q ± Dp

Al, Pyr Q ± Dp

And, Al, Q

K Q

K, Sm Q ± Sid

Al - K Group

Kaolin Group

Ch-Sm - chlorite-smectite Cor - corundum Cpx - clinopyroxene Cr - cristobalite Ct - calcite Do - dolomite Dik - dickite Dp - diaspore Ep - epidote Fsp - feldspar Ga - garnet

Potassic

Propylitic

Outer / Sub Propylitic

Skarn

Argillic

Advanced Argillic

K, Dik I/I-Sm Q ± Sid

Pyr Ser Q

Sm, Cb Q/Chd I-Sm Q/Chd Cb

Ch-Sm/Ch Silica Cb

Ch/Ch-Sm Sm,Q/Chd Ch/Ch-Sm Q/Chd Cb Zeo Ct/Do Ch,Cb I-Sm Q/Chd Ch, Q/Chd

I Q Cb

Ch, I Ab/Ad Q, Cb

Ser Q Cb

Ser Fsp Q, Ch Cb

Mica/Ser Pyr, Q

Mica/Ser Q, Cb

And Mica, Q

Mica, Q ± Cb

And, Mica, Cor, Q

Mica Cor, Q

I- K Group

Illite Group

Ch-Sm/Ch Silica Zeo Ct/Do

Mica/Ser Fsp, Cb Q ± Ch Mica Fsp Q ± Ch

Chlorite Group

Hal - halloysite Heu - heulandite I - illite I-Sm - illite-smectite K - kaolinite Lau - laumontite Mt - magnetite Mor - mordenite Nat - natrolite Op - opaline silica Pyr - pyrophyllite

Phyllic After Corbett & Leach, 1997

asdi.com | 303.444.6522 | 2555 55th Street, Suite 100, Boulder, CO 80301

Ad/Ab Ct/Do

Ch, Q, Ep Zeo, Ct/Do Ad/Ab

Ch, Q, Ep Ad/Ab, Ct/Do Ep, Act, Ch, Q Fsp, Ct/Do Act, Q Fsp, Ch

Tr, Q Ct/Do

Bio, Act Fsp, Q

Cpx, Q Ct/Do

Bio, Fsp Cpx, Mt

Ga, Q Wo, Ves Mt

Calc - Silicate Group Q - quartz Ser- sericite Sid - siderite Sm - smectite Stb - stilbite Tr - tremolite Tri - tridymite Ves - vesuvianite Wai - wairakite Wo - wollastonite Zeo - zeolite

Epithermal

Al, K Silica

Sm Silica

Mesothermal

Hal, Sm Silica

Porphyry

Hal Silica

Zeolites

Al, Hal Silica

Lau

Silica

Al Op Cr Tri

Wai

INCREASING TEMPERATURE

Op Cr Tri

Stb. Heu, Mor, Chab, Nat

INCREASING pH