- In
igneous petrology,
eutaxitic texture describes the
layered or
banded texture in some
extrusive rock bodies. It is
often caused by the
compaction and...
- together, and the
deposit is
transformed into a 'welded ignimbrite', made of
eutaxitic lapilli-tuff. When this happens, the
pumice lapilli commonly flatten,...
- and then
become welded.
Welded tuff
textures are
distinctive (termed
eutaxitic), with
flattened lapilli, fiamme,
blocks and
bombs forming oblate to discus-shaped...
- the wall rocks.
Lavas may
preserve a flow foliation, or even
compressed eutaxitic texture,
typically in
highly viscous felsic agglomerate,
welded tuff and...
- (necking at
point contacts), deform, and
compact together,
resulting in a
eutaxitic fabric.
Welded tuff is
commonly rhyolitic in composition, but examples...
-
typical of
welded lapilli-tuffs and are
commonly found in ****ociation with
eutaxitic textures, best seen
under the microscope. Some
fiamme represent fragments...
- as tuff,
agglomerate and
intrusive breccias, as well as some
marginal eutaxitic and
taxitic intrusive morphologies.
Igneous clastic rocks are
broken by...
-
migmatite Emba**** minerals; see
igneous texture Equigranular Euhedral Eutaxitic Epiclastic Fiamme Foliation Fissile; see also
Bedding fissility. Fossiliferous...
- dark,
mafic mineral band
formed in
migmatite which is
melting into a
eutaxitic texture; often, this
leads to the
formation of granite. The melanosomes...
-
composed of
volcanic ash, gl****
shards and
lithic fragments.
Reported eutaxitic tuff from
Superior Province,
Canada (Figure 3),
contains lenticular fiamme...
