Results 81 to 90 of about 273,837 (164)
Известия Томского политехнического университета: Инжиниринг георесурсов. The study of pre-Jurassic deposits in the southwestern part of Western Siberia is highly relevant due to their potential of increasing hydrocarbon resources.
Lyubov A. Krashoshchekova +2 more
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Alteration of amphiboles in ryodacitic porphyries from Zalas near Kraków (S Poland) [PDF]
, 2009 The study was aimed at alteration of amphibole phenocrysts in the porphyries from Zalas. The alteration processes took place at the magmatic stage: development of orthopyroxenes and biotitization, and at the postmagmatic one: chloritization followed by ...
Czerny, J., Marszałek, M.
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Cretaceous molybdenite in metasomatic epidosite associated with the Pounamu ophiolite, New Zealand
, 2019 Epidosites occur in association with pelagic and quartzofeldspathic metasediments overlying the Pounamu suprasubduction zone ophiolite. They are dominated by epidote with minor diopside, tremolite, titanite, zircon and quartz. Detrital zircon age spectra
Alan F. Cooper (4103437) +3 more
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Mineralogy and geochemistry of structurally-controlled metasomatic alteration of carbonate-rich manganese ore at Mamatwan Mine, Kalahari Manganese Field [PDF]
, 2017 The Kalahari Manganese Field (KMF) located in the Northern Cape Province about 700km south west of Johannesburg contains 80% of the world manganese ore reserves.
Harawa, Esau Tonderai
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The Proposed Alteration Of The Judicial Tenure In South Carolina - Accession 1257 - M609 (662)
, 2016 The collection consists of a booklet titled, The Proposed Alteration of the Judicial Tenure in South Carolina discussed by “The Black Sluggard” and printed at the Republican Office, Hamburg in 1844.
The Proposed Alteration Of The Judicial Tenure In South Carolina
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Post-magmatic alteration in eudialyte from the North Qoroq centre, South Greenland
, 1997 The North Qoroq centre comprises a series of nested nepheline syenite intrusions and forms part of the midlate Proterozoic Gardar province of South Greenland. Within the centre fractionation has produced varied rock types ranging from augite-syenite to
Coulson, Ian
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Geologica Acta, 2013 Most South Eastern Desert ophiolites are found along the Allaqi-Heiani-Gerf suture along the Egypt-Sudan border. Serpentinites, altered slices of upper mantle, are the main components of this suture and other sutures in the Arabian-Nubian Shield ...
M.K. AZER
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, 1995 A procedure for determining metasomatic norms is developed in this thesis to quantitatively and objectively estimate mineral abundances from lithogeochemical data, The norm calculations use the same principles as do other norms such as CIPW, but the ...
Cheng, Xiaolin
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Origin of Myrmekite and Metasomatic Granite [PDF]
, 1996 Two different generally-accepted hypotheses for the origin of myrmekite are examined in seven different photomicrographs.Myrmekite and Metasomatic Granite 1.
Collins, Lorence G.
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Записки Горного институтаThe mineral composition of metacarbonate rocks (silicate marbles and carbonate-silicate rocks) of the Khapchan series (southeastern part of the Anabar Shield) was studied, and the PT (pressure and temperature)-parameters of their formation were ...
Ekaterina Yu. Akimova +3 more
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