Molar-ratio and Harker diagrams in portraying the actual chemical variability of granitoid suites

Journal of the Geological Society

Volumn 153, Issue 1, 1996, Pages 121-125

  Whitten, E H T ^a  

^a Lower Bonehill Farm   (United Kingdom)

Author keywords

Chemical composition; Granites

Indexed keywords

GRANITOID; HARKER DIAGRAM; IGNEOUS GEOCHEMISTRY; MOLAR RATIO DIAGRAM; PETROGENESIS;

EID: 0029775335     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/gsjgs.153.1.0121     Document Type: Article

References (23)

1. CARMICHAEL, I. S. E., TURNER, F. J. & VERHOOGEN, J. 1974. Igneous rocks. McGraw-Hill Book Co., New York.
2. CHAPPELL, B. W. 1979. Granites as images of their source rocks. Geological Society of America Abstracts with Programs, 11, 400.
3. _ 1984. Source rocks of I- and S-type granites in the Lachlan Fold Belt, southeastern Australia. Philosophical Transactions of the Royal Society of London, A310, 693-707.
4. _ & WHIIE, A. J. R. 1974. Two contrasting granite types. Pacific Geology, 8, 173-174.
5. _, _ & HINE, R. 1988. Granite provinces and basement terranes in the Lachlan Fold Belt, southeastern Australia. Australian Journal of Earth Sciences, 35, 505-521.
6. _, _ & WYBORN, D. 1987. The importance of residual source material (restite) in granite petrogenesis. Journal of Petrology, 28, 1111-1138.
7. CHAYES, F. 1964. Variance-covariance relations in some published Harker diagrams of volcanic suites. Journal of Petrology, 5, 219-237.
8. GRIFFIN, T. J., WHITE, A. J. R. & CHAPPELL, B. W. 1978. The Moruya Batholith and geochemical contrasts between the Moruya and Jindabyne Suites. Journal of the Geological Society of Australia, 25, 235-247.
9. HINE, R., WILLIAMS, I. S., CHAPPELL, B. W. & WHITE, A. J. R. 1978. Contrasts between I- and S-type granitoids of the Kosciusko Batholith. Journal of the Geological Society of Australia, 25, 219-234.
10. MADEISKY, H. E. & STANLEY, C. R. 1993. Lithogeochemical exploration of metasomatic zones associated with volcanic-hosted massive sulfide deposits using Pearce element ratio analysis. International Geology Review, 35, 1121-1148.
11. NICHOLLS, J. 1988. The statistics of Pearce element diagrams and the Chayes closure problem. Contributions to Mineralogy and Petrology, 99, 11-24.
12. PEARCE, T. H. 1968. A contribution to the theory of variation diagrams. Contributions to Mineralogy and Petrology, 19, 142-157.
13. RUSSELL, J. K. & NICHOLLS, J. 1988. Analysis of petrologic hypotheses with Pearce element ratios. Contributions to Mineralogy and Petrology, 99, 25-35.
14. _ & STANLEY, C. R. 1990. A theoretical basis for the development and use of chemical variation diagrams. Geochimica et Cosmochimica Acta, 54, 2419-2431
15. STANLEY, C. R. & RUSSELL, J. K. 1989. Petrologic hypothesis testing with Pearce element ratio diagrams: derivation of diagram axes. Contributions to Mineralogy and Petrology, 103, 78-89.
16. TUOMINEN, H. V. 1964. The trends of differentiation in percentage diagrams. Journal of Geology, 72, 855-860.
17. WHITE, A. J. R. & CHAPPELL, B. W. 1977. Ultrametamorphism and granitoid genesis. Tectonophysics, 43, 7-22.
18. _ & _ 1983. Granitoid types and their distribution in the Lachlan Fold Belt, southeastern Australia. Geological Society of America Memoir, 159, 21-34.
19. _, WILLIAMS, I. S. & CHAPPELL, B. W. 1977. Geology of the Berridale 1:100000 Sheet 8625. Geological Survey of New South Wales, Department of Mines.
20. WHITTEN, E. H. T. 1961. Quantitative areal modal analysis of granitic complexes. Geological Society of America Bulletin, 72, 1331-1360.
21. _ 1964. Process-response models in geology. Geological Society of America Bulletin, 75, 455-464.
22. _ 1993. A solution to the percentage-data problem in petrology. In: DAVIS, J.C. & HERZFELD, U.C. (eds) Computers in geology - 25 years of progress. Oxford University Press, 195-206.
23. _ 1995. Open and closed compositional data in petrology. Mathematical Geology, 27, 789-806.