«DUNITIC» 관련 영어 책
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1
Atlas of the Textural Patterns of Ore Minerals and ...
In contrast, ring intrusions have a central body dunitic in composition (see
Augustithis, 1965, 1979) and are surrounded by pyroxenite. A typical example is
the ring dunite-pyroxenite intrusion of Yubdo, Ethiopia. It should be noted that the
diapir ...
Stylianos Augustithis,
1995
2
Ophiolites in Earth History
The extent to which rocks of the Dunitic and Pyroxenitic Zones belong to the early
cumulate 'stratigraphy', and the extent to which they represent under- and intra-
plating intrusions is not certain (seeThy 1990; Bedard 1991, 1993). In many ...
Yildirim Dilek, Paul T. Robinson,
2003
3
Convergent Margin Terranes and Associated Regions: A Tribute ...
Then, (4) melt extraction from the compacting mush leaves wehrlitic cumulate
above dunitic cumulate, and (5) crystallization of the expelled melt along the
curving ol-cpx low-pressure cotectic forms ol-clinopyroxenitic crystal-melt mush.
4
Distribution and behaviour of platinum in soils of the ...
... 88-SC-121 7 7 2 10 1 00 Non-dunitic till 2 88-SC-04 16 19 2 46 1 78 Ion-
dunitic till 3 88-SC-07 8 7 2 4 0.57 Ion-dunitic till 4 88-SC-10 7 6 2 4 1 17 Non-
dunitic till 5 88-SC-13 2 3 2 12 0.11 Non-dunitic till 6 88-SC-17 6 8 2 5 2.00 Ion-
dunitic till ...
Stephen John Cook, William K. Fletcher, British Columbia. Geological Survey Branch,
1992
5
Geological Survey Professional Paper
The chromite may have precipitated from chromitiferous dunitic magma over a
particular range of pressure-temperature conditions not far below the gabbro.
The Josephine Peridotite and overlying rocks of the western Jurassic belt are ...
Geological Survey (U.S.),
1987
6
Geological Survey Professional Paper
Figure 25.8. — Dunitic aggregates found in Kilauea Iki lava lake. A, Olivine
aggregate and host in KI81-I-I81. 5, quenched from 1 ,010-1 ,030 °C in 1981.
Field of view is I cm across. The aggregate consists of areas of fine-grained
polygonal ...
7
Igneous Rocks of South-West England
The most serpentinized tend to be the dunitic types and many have no olivine
remaining, but still preserve good ghost dunite fabrics. Serpentinization is often
more intense close to shear zones and faults. These features make reliable
mineral ...
Peter A. Floyd, C.S. Exley, M.T. Styles,
1993
8
The Kiglapait Layered Intrusion, Labrador
Certain zones, if not individual layers (such as the dunitic horizon near the 10
percent level along the southern edge of the intrusion) appear to persist for many
kilometers. Layers vary in thickness from one centimeter (see below) to a meter
or ...
Stearns Anthony Morse,
1969
9
The Oceanic Lithosphere
The dunitic olivine has the same Fo-rich compositional range (Fo^^) as that of the
harzburgites. The chromite however has a distinctly higher Cr/Al ratio and
furthermore occurs as layered euhedral grains that strongly suggest a cumulate
origin ...
10
Mineral Deposit Research: Meeting the Global Challenge: ...
Ophiolites, podiform chromites, geochemistry, genesis 1 Introduction two dunitic
layers. The upper dunitic layer contains 10- 15% disseminated chromites with a
grainsize of 0.1 to 0.6 mm. The lower dunitic layer contains nodular chromites ...
Jingwen Mao, Frank P. Bierlein,
2008