KSIĄŻKI POWIĄZANE ZE SŁOWEM «EPIDOSITE»
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1
New Zealand Journal of Geology and Geophysics
Epidosites Another rock type occurring between felted greenschist and
quartzofeldspathic schist is epidos- ite or amphibole epidosite. The most common
type of epidote-rich rock is a distinctive unit composed of deep-green
interpenetrating ...
2
Low-Grade Metamorphism of Mafic Rocks
These high-temperature zones are characterized by the complete
recrystallization of diabase to quartz + epidote i chlorite—defined as epidosite—
and differ markedly in geochemistry and temperature from the greenschist-
subgreenschist ...
Peter Schiffman, Howard W. Day, 1995
3
Hydrogeology of the Oceanic Lithosphere
The transformation of basalt to a true epidosite involves considerable chemical
change (Cowan, 1989: Schiffman et al., 1990). On the scale of an epidosite zone,
the sheeted dikes are consistently depleted in Na and K and are enriched in Si.
Earl E. Davis, Harry Elderfield, 2004
4
Metasomatism and the Chemical Transformation of Rock: The ...
Epidosite bands are irregular in shape and may break up in pipes. The
temperatures involved have been estimated from fluid inclusion and stable
isotope studies to be around 400 C (Harper et al. 1988; Richards et al. 1989;
Richardson et al.
5
New Zealand Journal of Geology and Geophysics
Epidosites Another rock type occurring between felted greenschist and
quartzofeldspathic schist is epidos- ite or amphibole epidosite. The most common
type of epidote-rich rock is a distinctive unit composed of deep-green
interpenetrating ...
6
The Data of Geochemistry
Epidotization, then, represents a reaction between the feldspars and the
ferromagnesian minerals of a rock, and when it is complete a mixture of quartz
and epidote remains. Such a rock is known as epidosite, and its formation has
been many ...
Frank Wigglesworth Clarke, 1920
7
Modern Ocean Floor Processes and the Geological Record
6 and show no systematic difference with the mean of 70 chlorite, actinolite-
chlorite and actinolite grade samples of 0.7052 being indistinguishable from that
of 26 epidosite and quartz chlorite rocks. The only exceptions to this Sr- isotopic ...
Rachel A. Mills, Keith Harrison, 1998
8
U.S. Geological Survey Professional Paper
Epidosite segregations common and, in places, pillows have epidosite cores.
Secondary minerals in southern St. John include prehnite and pumpellyite (
identified optically only), chlorite, calcite, and leucoxene. Zeolites probably the
result of ...
9
Geology and ore deposits of the Bayard area, Central Mining ...
The epidosite in turn grades into one or more shell-like crusts that are similar to
the surrounding rock except that they contain somewhat more epidote and quartz
. Many of the epidote pseudomorphs in the epidosite and outer zones are porous,
...
Samuel Grossman Lasky, New Mexico School of Mines, Socorro. State Bureau of Mines and Mineral Resources, New Mexico School of Mines. State Bureau of Mines and Mineral Resources, 1936
10
Ophiolite Concept and the Evolution of Geological Thought
The transformation of the basaltic dikes to epidosite demonstrates a very large
water/rock ratio because of the profound chemical changes that have taken place
. Bet- tison-Varga et al. (1995) showed that this transformation had to happen in ...
Yildirim Dilek, Sally Newcomb, 2003
