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Morphology and surface features of olivine in kimberlite: implications for ascent processes
Morphology surface features olivine kimberlite ascent processes
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2015/1/6
Most kimberlite rocks contain large proportions of ellipsoidal-shaped xenocrystic olivine grains that are derived mainly from disaggregation of peridotite. Here, we describe the shapes, sizes and surf...
Morphometry and its implications to stream sediment sampling: A study on Wajrakarur Kimberlite field, penna river basin, Anantapur district, Andhra Pradesh, India
Morphometry WKF Stream sediment sampling Penna River Basin Anantapur Dt. Andhra Pradesh
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2014/11/12
Morphometric analysis, including certain linear, areal and relief parameters, has been performed on watersheds covering pipes in the Wajrakarur kimberlite field (WKF) of Anantapur District, Andhra Pra...
Petrogenesis of macrocrystic and aphanitic intrusions in Mesoproterozoic diamondiferous pipe 2 kimberlite, Wajrakarur kimberlite field, eastern Dharwar craton, southern India
Wajrakarur kimberlite field Eastern Dharwar craton geochemistry geochemical modeling petrogenesis
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2017/4/11
Mesoproterozoic Pipe 2 kimberlite intruding granitic gneisses in the Wajrakarur kimberlite field (WKF) of Eastern
Dharwar craton, southern India, is one of the first discovered pipes from this field....
What olivine,the neglected mineral,tells us about kimberlite petrogenesis
olivine neglected mineral kimberlite petrogenesis
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2009/10/22
We report here the results of a petrographic and geochemical study of remarkably well-preserved kimberlites from the Kangamiut region in Greenland. The samples contain between 5 and 45% of olivine in ...
What olivine, the neglected mineral, tells us about kimberlite petrogenesis
What olivine the neglected mineral kimberlite petrogenesis
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2010/9/28
We report here the results of a petrographic and geochemical study of remarkably well-preserved kimberlites from the Kangamiut region in Greenland. The samples contain between 5 and 45% of olivine in ...
Ferrous freudenbergite in ilmenite megacrysts: A unique paragenesis from the Dalnaya kimberlite, Yakutia
Ferrous freudenbergite ilmenite megacrysts unique paragenesis Dalnaya kimberlite Yakutia
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2012/4/6
AsuiteofpicroilmenitemegacrystsfromtheDalnayakimberlite,Siberia,wasfoundtofallintooneoftwogroups,themostabundanthaving11¤C12wt%MgOand650¤C15ppmNb,andtheothershavinglowerMgO(8.8¤C10.2wt%)andhigherNb(17...