نمودارهای طبقه بندی سنگ ها

Rock classification

Barker, 1979

An-Ab-Or diagram for tonalite, trondhmemite, granodiorite, granite.‎


 
 
 
 
 

Ewart, 1982

SiO2 vs.‎ K2O for volcanic rocks.‎


 
 
 
 
 

LeBas et al.‎, 1986

SiO2 vs.‎ Na2O+K2O for volcanic rocks.‎


 

 

 
 

 

Streckeisen, 1967

Q - Af - Pf diagram for classification of felsic and intermediate plutonic rocks.‎


 
 
 
 
 

Winchester and Floyd, 1977

Immobile trace elements and SiO2 classification for igneous rocks, especially volcanics.‎




 
 

 

Rock series discriminants

Brown, 1982

Alkali-lime index vs.‎ SiO2, defining calc-alkaline andesites from "normal" arc suites compared to more and less mature arc suites.‎


 
 
 
 
 

Floyd and Winchester, 1975

Tholeiitic vs.‎ alkaline series in oceanic and continental settings ‪(not arcs)‬.‎




 
 
 

Frost and Frost, 2008

Feldspathic igneous rock series ‪(ferroan, magnesian, aluminous, alkaline, etc.‎)‬.‎





 
 
 

Hastie et al.‎, 2007

Arc series: tholeiitic, calc-alkaline, and more alkaline series, and basaltic, andesitic, and rhyolitic compositions.‎


 
 
 
 
 

Irvine and Baragar, 1971

Tholeiitic vs.‎ calc-alkaline series discriminants.‎




 
 
 

Miyashiro, 1974

SiO2 vs.‎ FeOtotal/MgO discriminant for arc tholeiites vs.‎ arc calc-alkaline series.‎


 
 
 
 
 

Miyashiro and Shido, 1975

Discriminants for arc tholeiite vs.‎ arc calc-alkaline series.‎






Peccerillo and Taylor, 1976

SiO2 vs.‎ K2O calc-alkaline vs.‎ tholeiitic series


 
 
 
 
 

Tectonic setting discriminants, mostly basaltic rocks

Cabanis and Lecolle, 1989

Nb - La - Y discriminant for arc, MORB/WP, and intermediate/contaminated rocks.‎


 
 
 
 
 

Dilek and Furnes, 2009

Ti-Zr discriminant for MORB, IAT, and boninites, modified after earlier workers.‎


 
 
 
 
 

Dilek et al.‎, 2007

Cr vs Y discriminant for MORB, IAT, and boninites, modified after earlier workers.‎


 
 
 
 
 

Hollocher et al.‎, 2012

Discriminants for MORB, ocean island, and a variety of arc-type basalts



 
 
 
 

Meschede, 1986

Y - Zr - Nb discriminant for arc, MORB, and within-plate basalts.‎


 
 
 
 
 

Mullen, 1983

P2O5 - MnO - TiO2 discriminant for ocean island, MORB, arc basalts, and boninites.‎


 
 
 
 
 

Pearce, 1975

Ti vs.‎ Cr discriminant for ocean floor basalts vs.‎ low-K arc tholeiites.‎


 
 
 
 
 

Pearce, 1981

Zr - Ti discriminant for MORB, within-plate, and arc lavas.‎ Apparently includes low-Ti lavas which are probably felsic.‎


 
 
 
 
 

Pearce, 1982

Discriminants for mantle melting array vs.‎ arc basalts.‎




 
 
 

Pearce, 1983

Th - Ta - Yb discriminant for mantle melting array vs.‎ arc basalts.‎



 
 
 
 

Pearce and Cann, 1973

Immobile element discriminant for arc, within-plate, and ocean floor basalts.‎




 
 

 

Pearce and Norry, 1979

Zr vs.‎ Zr/Y discriminant for arc, ocean ridge, and within-plate basalts.‎ Boninite added.‎


 
 
 
 
 

Shervias, 1982

Ti - V discriminant diagram for tholeiitic to alkaline basalts, excluding calc-alkaline arc basalts.‎ Boninite added.‎


 
 
 
 
 

Wood, 1980

Ta - Th - Hf discriminant for arc, MORB, and within-plate basalts.‎


 
 
 
 
 

Tectonic setting discriminants, mostly felsic rocks

Arth, 1979

Al2O3 vs Yb discriminant for oceanic vs.‎ continental granitoids.‎


 
 
 
 
 

Eby, 1992

Y/Nb - Rb/Nb discriminant for A1 vs.‎ A2-type anorogenic granites.‎






 

Gorton and Schandl, 2000

Th - Ta - Yb discriminants mostly for felsic to intermediate rocks.‎



 
 
 
 

Pearce, 1984

Discriminant diagrams for granitic rocks.‎





 
 

Whalen et al.‎, 1987

Discriminates A-type granites from all other granite types.‎













 
 

 
 
 
 
 
 
 


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