CO OZNACZA SŁOWO GRANULITIZATION
Definicja słowa granulitization w słowniku
Definicja granulitization w słowniku jest procesem, w którym metamorfizm działa na skale i redukuje ją do krystalicznych ziaren.
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1
Understanding Mineral Deposits
Schematic representation of the granulitization model for the genesis of Archean
lode gold deposits (modified from Colvine et al. 1988). The top surface
represents an erosional level, as observed presently. Crustal cratonization
culminates ...
2
Geodynamics and Ore Deposit Evolution in Europe
Based on age constraints, hydrothermal fluids derived from granulitization of the
lower crust could have been a source for gold and related metals. The high-T—
low-P granulitization has been dated at 300i15 Ma in xenoliths brought up by ...
D. Blundell, N. Arndt, P.R. Cobbold,
2006
All the granite in the area mapped shows some signs of distortion but the effects
are greatest along definite belts marked on the map as "belts of intense
granulitization." The process by which the rocks have been distorted or crushed
is called ...
4
Archean Lode Gold Deposits in Ontario
_§i°'L”'P____ orscorvr//vu/rv CO2'H20 INCOMPATIBLE LOWER CRUST
ELEMENTS ZONE OF GRANULITIZATION HEAT.CO2,H20 HEAT CO2 H20
MANTLE Figure 4.3. Cartoon illustrating a possible cratonization model of the
Archean crust, ...
A. C. Colvine, Ontario. Ministry of Northern Development and Mines, Ontario. Mines and Minerals Division,
1988
5
The Earth's Crust and Upper Mantle: Structure, Dynamic ...
In contrast to granulitization, granitization supplies HA including alkalis and other
substances dissolved therein; it is characterized by the reaction OH-free — > OH-
bearing silicates. Tor instance, garnet is transformed into biotite by granitization ...
6
The Geology of gold deposits: the perspective in 1988
It is emphasized that this is only one possible scenario of granulitization; some
granulites may be generated during the process of continent-continent collision (
e.g., Wilks, 1988). However, the evidence provided from the interpreted ...
Reid R. Keays, W. R. H. Ramsay, D. I. Groves,
1989
7
Geology of México: Celebrating the Centenary of the ...
These authors used granulitization (950–1125 °C), feldspar exsolution, and
plagioclase homogenization ... Central, and proposed that granulitization
occurred in the lower crust below Mesa Central between the Oligocene and the
Quaternary.
Susana A. Alaniz-Álvarez, Ángel F. Nieto-Samaniego, Sociedad Geológica Mexicana,
2007
8
Fluids in tectonically active regimes of the continental crust
Mantle C02 - granulitization A number of workers have recently suggested that
the fundamental process driving the ore-forming system of Archean Au-Ag vein
deposits is granulitization, during late-Archean cratonization, induced by the ...
Bruce E. Nesbitt, C. B. Forster, Mineralogical Association of Canada,
1990
Acid gneisses. — These include biotite-gneisses, diopside-hornblende- bearing
pink migmatites, biotite-hornblende-gneisses and granulites. The sialic portion of
these rocks generally shows intense granulitization. All are foliated gneisses.
Geological Society of London,
1957
of the hydrothermal fluids carrying Au and LILE, many of which average -4 per mil
, are equated with a juvenile mantle C reservoir (-6 i 2 per mil) that is presumed to
have induced the granulitization and concurrent LILE depletion. Tamey and ...
Alok K. Gupta, R. Kerrich,
1997