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Pseudotachylyte (sometimes
written as
pseudotachylite) is an
extremely fine-grained to gl****y, dark,
cohesive rock
occurring as
veins that form through...
- A low
grade metamorphic rock
composed mostly of
micaceous minerals Pseudotachylite – Gl****y, or very fine-grained, rock
typePages displaying short descriptions...
- stromatolite/basal
fault plane site The
chocolate tablet breccia site The
pseudotachylite (quarry) site
Criteria Natural: (viii)
Reference 1162
Inscription 2005...
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Varieties that have a
large clay
mineral content are
known as clay gouges.
Pseudotachylite is a
fault rock that has the
appearance of the
basaltic gl****, tachylyte...
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include breccias formed in faults, as well as some
protomylonite and
pseudotachylite. Occasionally,
metamorphic rocks can be
brecciated via hydrothermal...
- Nördlingen,
derived from shock-metamorphic rocks, such as
breccia and
pseudotachylite, of Ries crater.
Lechatelierite Seifertite Shatter cone
Shock metamorphism...
- rocks, ****ociated with the
impact event,
consist of
Sudbury Breccia (
pseudotachylite),
footwall breccia,
radial and
concentric quartz dioritic breccia ****s...
-
crater floor are
known as tagamites.
Suevite is
distinct from the
pseudotachylite in an
impact structure as the
latter is
thought to have
formed by frictional...
- by
adhesive wear.
Pseudotachylites can
still be
encountered here. By p****ing into
greenschist facies conditions, the
pseudotachylites disappear and only...
- hard, dark,
cherty to
flinty in
appearance and
sometimes resemble pseudotachylite and obsidian. In reverse, ultramylonite-like
rocks are
sometimes "deformed...
