MOTS EN ANGLAIS EN RAPPORT AVEC «EUTAXITIC»
eutaxitic
foliation
texture
igneous
petrology
describes
layered
banded
some
extrusive
rock
bodies
often
caused
compaction
flattening
glass
shards
pumice
fragments
eutaxitic
geology
encyclopedia
britannica
these
zones
termed
welded
tuffs
display
directive
planar
called
that
results
from
alex
strekeisen
explosive
volcanic
rocks
minerals
applies
only
ignimbrites
this
with
fabric
which
flattened
clasts
surrounded
fine
answers
¦ytaksidik
referring
appearance
certain
resulting
structure
information
earth
sciences
ignimbrite
mountain
rhyolite
tucson
great
example
commonly
typifies
glowing
avalanches
pyroclastic
materials
hurled
into
layering
different
textures
colors
want
thank
volcanoes
work
containing
fiamme
said
have
cases
intense
welding
accompanied
internal
flow
thus
obliterating
oxford
reference
source
author
michael
allaby
found
defined
words
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «EUTAXITIC»
Découvrez l'usage de
eutaxitic dans la sélection bibliographique suivante. Des livres en rapport avec
eutaxitic et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
U.S. Geological Survey professional paper
It has a well- defined eutaxitic structure, and flattened pumice fragments are as
long as 2 feet. Phenocrysts of quartz and feldspar make up 5 to 10 percent of
typical specimens (table 2, columns 12-22) ; hornblende is commonly present in
trace ...
Geological Survey (U.S.), 1968
2
Geological Survey Professional Paper
Certain terms used in describing the structural and textural features of the ash-
flow tuffs, such as "fluidal," "eutaxitic," and "vitroclastic," are better understood
from photographs than from words. Fluidal structure in a hand specimen is
illustrated ...
3
Geological Survey professional paper
Eutaxitic texture, later devitrifled. Rhyolitic tuff, devitrifled and probably silicifled.
Rhyolitic tuff. Much secondary carbonate has been introduced between tuff
fragments. Rhyolite with glassy eutaxitic texture. Rhyolite. Eutaxitic tuffaceous
texture ...
Geological Survey (U.S.), Geological Survey (U.S.). Geographic Names Information Management, 1952
4
Studies in New England Geology: A Memoir in Honor of C. Wroe ...
It grades upward from an incompletely welded clast-rich tuff, to a phenocryst-poor
, pumice-rich tuff with fluidal eutaxitic structure (Fig. 5). Felsitic fragments range in
diameter from 1 to 9 cm. The pumice fragments near the base of the zone are ...
Paul C. Lyons, Arthur H. Brownlow, 1976
5
New Zealand Journal of Geology and Geophysics
welded tuff containing intratclluric crystals or phenocrysts which giv(- it the
appearance of porphyritic flow rock. In thin section the rock has a eutaxitic
structure which may be obscured locally where crystallization has been intense.
This zone is ...
6
Pyroclastic Density Currents and the Sedimentation of ...
Eutaxitic, rheomorphic and lava-like lithofacies (e.g. emLT; edbLT; rheomLT; lava
-likeT) Description Some massive and bedded lithofacies of ignimbrites possess
a eutaxitic fabric of deformed juvenile pyroclasts, for example fiamme and ...
Michael J. Branney, B. Peter Kokelaar, 2002
7
Fluid Motions in Volcanic Conduits: A Source of Seismic and ...
4a-c). These structures are abundant in the inner (Slievebrack) rhyolite body, but
rare or absent in the outer (Carrive) rhyolite body (Emeleus 1962). 1n three
dimensions, these structures define a planar (eutaxitic) fabric measurable in
outcrop.
Steve J. Lane, Jennifer Susan Gilbert, 2008
8
Geology of the Arisaig Area, Antigonish County, Nova Scotia
These veins, however, clearly partly predate the eutaxitic foliation because where
they cut the uncollapsed pumice plates, they are almost planar; whereas in the
eutaxitic matrix, they are ptygmatically folded. This is in direct contrast to ...
9
U.S. Geological Survey Bulletin
90BSL102 Morokho. Porphyritic dacite; phenocrysts are biotite, plagioclase, and
quartz. 90BSL104 Loma Grande. Eutaxitic dacite ash-flow tuff with about 15
percent crystals; sample from near top of tuff. Crystals are 7 percent biotite, 4
percent ...
10
Compositional characteristics of middle to upper Tertiary ...
90BSL102 Morokho. Porphyritic dacite; phenocrysts are biotite, plagioclase, and
quartz. 90BSL104 Loma Grande. Eutaxitic dacite ash-flow tuff with about 15
percent crystals; sample from near top of tuff. Crystals are 7 percent biotite, 4
percent ...
E. A. Du Bray, Geological Survey (U.S.), 1995
