MOTS EN PORTUGAIS EN RAPPORT AVEC «PERIDOTITE»
peridotite
peridotite
igneous
rock
pictures
more
geology
intrusive
with
ultrabasic
composition
types
about
major
page
rocks
sandatlas
dark
colored
consisting
mostly
olivine
pyroxene
hugely
important
type
because
minerals
reference
library
redorbit
dense
coarse
grained
mainly
also
group
mantle
derived
encyclopedia
britannica
coloured
heavy
that
contains
least
percent
other
iron
magnesia
rich
dunite
very
ultra
mafic
noted
silica
content
little
feldspar
define
coarsely
granular
composed
chiefly
admixture
various
origin
french
peridot
facts
information
articles
believed
many
scientists
primary
exterior
earth
typically
merriam
webster
from
audio
pronunciations
word
games
american
museum
natural
history
made
primarily
chief
constituent
upper
tite
pyroxenes
having
granitelike
texture
10 LIVRES EN PORTUGAIS EN RAPPORT AVEC «PERIDOTITE»
Découvrez l'usage de
peridotite dans la sélection bibliographique suivante. Des livres en rapport avec
peridotite et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Plates, Plumes, and Planetary Processes
more buoyant during decompression melting; progressive melt- extraction
transforms it from denser peridotite to less-dense harzburgite (Boyd and
McCallister, 1976; Oxburgh and Par- mentier, 1977; Jordan, 1979). There are two
processes ...
Gillian R. Foulger, Donna M. Jurdy, 2007
2
Geological Studies in the Klamath Mountains Province, ...
Two Types of Peridotite The Josephine peridotite is exposed over ~700 km2 of
the California-Oregon border region. The peridotite is thought to represent the
residue of partial melting (Dick, 1976) and presumably formed during the genesis
of ...
Arthur W. Snoke, Calvin G. Barnes, 2006
3
8th International Kimberlite Conference: The J. Barry ...
and 0.15 km/s (<3 rel.%) between the Reuss velocities and the Hill velocities for
peridotite and eclogite (Supplementary Electronic Table 4). Fig. 3 also illustrates
seismic wave velocities in various peridotite types with averaged mineralogy.
4
A Determination of the Viscosity of Partially Molten ...
Theodor Joseph Scott. For my doctoral research, I sought to understand how the
composition of grain boundaries in mantle rocks such as olivine affects the rates
of cation diffusion and therefore processes that depend on ionic diffusion (e.g. ...
Theodor Joseph Scott, 2006
5
Origin and Evolution of the Ontong Java Plateau
Decompression melting of peridotite mantle with 7-p > 1500°C in a start-up
plume head rising beneath or close to a spreading centre can account for the
composition and volume of OJP basalt. In this situation we should expect the
ocean floor ...
6
Non-volcanic Rifting of Continental Margins: A Comparison of ...
It is difficult to specify the processes responsible for the peridotite genesis by
major-element mineral chemistry for highly altered samples. The in situ trace-
element analysis on clinopyroxene is highly useful because of the relatively high
...
7
Corundum and Its Occurrence and Distribution in the United ...
36. Dudleyite (vermiculite). Ruck Creek mine, North Carolina. In peridotite.
Alteration product. 37. Edenite (var. amphibole). Kock conslituent. 38. Enstatite.
Rock constituent. Primary. Alteration product. 39. Epidote. In peridotite and
amphibolite.
8
United States Geological Survey Professional Paper
t position of the bed and the arrangement of its material, however, show without
doubt that the bed was water- laid. The bed apparently lies at the base of the
Tokio formation (Upper Cretaceous) in this locality. Another exposure of the
peridotite ...
9
Geological Survey Professional Paper
INTRODUCTION The 130-km-long body of the Josephine Peridotite lies along
the west boundary of the Klamath Mountains in southwestern Oregon and
northwestern California (fig. 1). The fault along much of the west edge of the
peridotite ...
Geological Survey (U.S.), 1987
type of this pyroxenite country rock is an enstatolite, chiefly en- statite, with minor
amounts of labradorite and monoclinic pyroxene and very little or no chromite.
Near the chromite body the rock becomes a peridotite of the variety saxonite ...
10 ACTUALITÉS CONTENANT LE TERME «PERIDOTITE»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
peridotite est employé dans le contexte des actualités suivantes.
The thickest layer of the Earth
Even though this area is regarded as viscous, you can also considerit as formed from rock – a rock called peridotite to be more correct. A peridotite is a dense, ... «ZME Science, janv 15»
Geologists Find Rock with 30000 Diamonds
Rare diamondiferous peridotite from the Udachnaya diamond mine. Image credit: Lawrence Taylor. “It is a wonder why this rock has more than 30,000 colorless, ... «Sci-News.com, janv 15»
Tiny diamonds, giant possible findings
University of Tennessee professor Larry Taylor is studying a rare rock called diamondiforous peridotite, which contains 30,000 diamonds to seek clues on how ... «Knoxville News Sentinel, déc 14»
Strange Rock from Russia Contains 30000 Diamonds
... the findings suggest the diamonds crystallized from fluids that escaped from subducted oceanic crust, likely composed of a dense rock called peridotite, Taylor ... «Live Science, déc 14»
Wellgreen Platinum Reports Updated and Increased Metallurgical …
These tests confirmed that increased recovery can be achieved in Peridotite ... recoveries also attained in the Clinopyroxenites/Pyroxenites and Peridotites. «MarketWatch, sept 14»
Fun, Fidalgo, an Ophiolite, and a Very Rude Buck
We made it to Fidalgo Island. Yay! We got lotsa pictures of bonza peridotite and serpentinite. Double yay! I'll have a proper write-up one o' these days, but for ... «Scientific American, août 14»
How to Store Carbon Dioxide? Lock It Up in Rocks.
There are two types, basalt and mantle peridotite, and you can find both on every continent. Peridotite is found in Oman and a lot of other places, but basalt is ... «Slate Magazine, juil 14»
SA jeweller to display rare rock
Durban - A rare rock that is 3.5 billion years old will go on display at the Pavilion shopping centre next week. The specimen – a peridotite, which came from ... «Independent Online, mai 13»
Two Special Southern Oregon Creeks
They both flow through an area of exposed peridotite in southern Oregon, and share a common ridgeline. Rough & Ready Creek flows south into the well-known ... «American Rivers, avril 13»
Naturally-Occurring Hydrogen Fuel Could Come From Geological …
The heat of the magma near the surface superheats seawater, which reacts with peridotite to produce hydrogen. Working 10,000ft below sea level isn't ... «The Green Optimistic, avril 13»
