Granites And Greenstones a Series of Tables And Notes for Students of Petrolog
Granites And Greenstones a Series of Tables And Notes for Students of Petrolog
Frank Rutley
The book Granites And Greenstones a Series of Tables And Notes for Students of Petrolog was written by author Frank Rutley Here you can read free online of Granites And Greenstones a Series of Tables And Notes for Students of Petrolog book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Granites And Greenstones a Series of Tables And Notes for Students of Petrolog a good or bad book?
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Con. Olivine, diallage, and a rhombic pyroxene (generally enstatite or bronzite). One or more minerals of the spinel group are usually present (picotite, chromite, pleonaste), together with some magnetite and ilmenite. SAXONITE or HARZBURGITE. Ess. Con. Olivine and a rhombic pyroxene (bronzite, often altered to bastite). Ace. Con. Magnetite, ilmenite, hornblende, biotite, chromite, picotite, and occasionally a very little plagioclase. CORTLANDITE. Ess. Con. Olivine, hornblende, and hypersthene.... DUNITE consists essentially of olivine and chromite. Picotite, pyrope, mag- netite, ilmenite, apatite, and, in some cases, a very little enstatite are present. Through decomposition the rocks of the peridotite group pass into serpentines. 22. PYROXENITE GROUP. This group includes certain holocrystalline- granular plutonic rocks, which consist of one or more species, or varieties, of pyroxene or amphibole. HORNBLENDITE = hornblende + augite. ECLOGITE = smaragdite + omphacite + garnet. BRONZITITE = bronzite.
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