Results 121 to 130 of about 14,109 (220)

Harvard university. Contributions to mineralogy from the Department of mineralogy and petrography. [PDF]

open access: yes
Voortgezet als: Harvard university.
Harvard University. Department of mineralogy and petrography
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Thin Section Petrography of Pottery from Ambergris Caye, Belize [PDF]

open access: yes, 2014
Petrography is a valuable tool in which ceramics are studied at a microscopic level, revealing structures, features, and compositional information undiscernible at the macroscopic level.
Haussner, Elizabeth
core   +1 more source

Petrography and Petrochemistry of Metamorphic and Igneous Rocks of the “Yeniseyskiy” Site

open access: yesRussian Journal of Earth Sciences
In 2023, geological exploration of the “Yeniseyskiy” site (Krasnoyarsk Region), where a deep geological repository for radioactive waste (DGR) is planned, resumed.
Minaev Vasilii   +4 more
doaj   +1 more source

Zeolite Mineral Resource Base of Russia

open access: yesGeoresursy
The main zeolite deposits in Russia and the other CIS nations are considered, large zeolite provinces are identified, and the most promising territories for expanding the mineral resource base of the Russian Federation are determined.
P. E. Belousov   +2 more
doaj   +1 more source

Ore Petrography, Carbonate Alteration and Geochemistry of the McBean Mine, Larder Lake, Ontario [PDF]

open access: yes, 1987
The McBean Mine is a small gold producer located along the Larder Lake Break. Ore from the open pit consists of massive and gneissic syenite. The highest go I d grades come from highly carbonitized syenitic rocks with abundant fine grained, euhedral
Bell, Cameron
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Petrography, I18O, I13C in Campanian Region (Southern Italy) Speleothems [PDF]

open access: yes, 2015
Spelethems are good proxy to understand the environmental condition above the cave where they form I have studied three speleothems from the Campanian region Matese Mts Sorrentina peninsula and Cilento area The splethems should suggest the climatic ...
Angelo Paone
core   +1 more source

Petrography and Geochemistry of Lunar Meteorite Miller Range 13317 [PDF]

open access: yes, 2016
Miller Range (MIL) 13317 is a 32-g lunar meteorite collected during the 2013-2014 ANSMET (Antarctic Search for Meteorites) field season. It was initially described as having 25% black fusion crust covering a light- to dark-grey matrix, with numerous ...
Korotev, R. L., Zeigler, R. A.
core   +1 more source

Petrography and geochemistry of Cretaceous (?) red beds in Hong Kong [PDF]

open access: yes, 1990
A preliminary investigation was carried out on the petrography and geochemistry of Cretaceous red beds in Hong Kong. The supply of iron minerals from the basement volcanic rocks in the source area to the depositional sites, and a palaeoclimatic condition
Yim, WWS, Matsueda, H, Miki, T
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