Results 101 to 110 of about 6,856 (206)

Geochemical characteristics of metasomatically altered rocks in the Kryvbas [PDF]

open access: yesGeochemistry and ore formation, 2013
Y.F Velikanov, O.Y. Velykanova
openaire   +1 more source

Sudbury project (University of Muenster-Ontario Geological Survey): Sr-Nd in heterolithic breccias and gabbroic dikes [PDF]

open access: yes
One major objective of our Sudbury project was to define origin and age of the huge breccia units below and above the Sudbury Igneous Complex (SIC). The heterolithic Footwall Breccia (FB) represents a part of the uplifted crater floor.
Brockmeyer, P.   +4 more
core   +1 more source

Geological features, geophysical measurements and interpretation at the Telkibánya research area [PDF]

open access: yes, 2009
A lot of geophysical measurements (gravity, geomagnetic, geoelectric, airborne magnetic and radiometric) were carried out in the Tokaj Mountains in the 60’s.
Kiss, János, Zelenka, Tibor
core  

Origin of nanosized diamonds in interstellar space and low-pressure-temperature Earth rocks [PDF]

open access: yes, 2009
Nanosized diamond particles in the interstellar space and in the Earth rocks related with water presence. In the paper proposed the model of the nanosized diamond particle formation from oxidized water-carbon dioxide gaseous ...
Sergei Simakov
core   +1 more source

Evolution and economic significance of listwaenites associated with Neoproterozoic ophiolites in South Eastern Desert, Egypt

open access: yesGeologica 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
doaj  

The Cnoc nan Cuilean area of the Ben Loyal igneous complex [PDF]

open access: yes, 1945
The Ben Loyal igneous complex forms a group of mountains, situated about six miles to the south of Tongue in northern Sutherland. The three plutonic masses of the complex are (a) The Ben Loyal range, (b) Cnoc nan Cuilean, and (c) Beinn Stumanadh.
King, Basil Charles
core   +1 more source

Petrogenesis of melanite-garnets in monzodiorites from SW of Jandaq (NW of Central-East Iranian Microcontinent)

open access: yesJournal of Economic Geology
The Godar-e-Siah Eocene monzodiorite stock is located in the southwest of the Jandaq area (NE of Isfahan) and northwest of the Central-East Iranian Microcontinent (CEIM). The main minerals in these monzodiorites are plagioclase, K-feldspar, clinopyroxene,
Ahmad Jamshidzaei   +2 more
doaj   +1 more source

Metacarbonate rocks of the Paleoproterozoic Khapchan series (southeastern part of the Anabar Shield): mineral and chemical composition, metamorphic conditions

open access: yesЗаписки Горного института
The 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
doaj  

Petrography and geochemistry of pegmatite and leucogranite of Ntega-Marangara area, Burundi, in relation to rare metal mineralisation

open access: yesOpen Geosciences
The Ntega-Marangara area, part of the Kanyaru supergroup, Western Domain of Karagwe Ankole Belt, hosts numerous pegmatite veins related to the leucogranite. This investigation aims to characterise the granitoids, their alteration products, and rare metal
Akabahinga Quesnay de Jésus   +2 more
doaj   +1 more source

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