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Teschenite is a type of co**** or
medium grained igneous rock, akin to
gabbro or dolerite, that
contains essential analcime. Its name is
derived from the...
- iron-bearing
sedimentary rock Tachylite – Form of
basaltic volcanic gl****
Teschenite – Type of
igneous rock – A
silica undersaturated,
analcime bearing gabbro...
- With a
decrease in
silica and
reduction in
olivine theralite grades into
teschenite and with the
addition of
sodic feldspar,
grades into es****ite. With a...
- east. This
process formed the
distinctive Salisbury Crags, a
series of
teschenite cliffs between Arthur's Seat and the
location of the
early burgh. The...
- system. ****ociated
igneous rocks typically include ijolite, melteigite,
teschenite, lamprophyres, phonolite, foyaite, shonkinite,
silica undersaturated foid-bearing...
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other Murrumbidgee Batholith intrusions.
Olivine Teschenite from Red
Rocks Gorge A **** of
teschenite occurs in the Red
Rocks Gorge near
Allens Cr****....
-
Green Hill are nepheline-basanite
intrusions whilst East
Lomond is a
teschenite/olivine
dolerite intrusion and vent agglomerate. A few
faults affect the...
- 1790s. For over 180
years quarrying of the
igneous rock there,
mainly teschenite, for
roadstone and
other building materials has been an
important activity...
- Subfamily: †Neocomitinae Genus: †Neocomites Uhlig, 1905
Species [clarification needed] N. (Eristavites) N. (Neocomites) N. (
Teschenites) N. (Varlheideites)...
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Sydney area. The
intrusion comprises:
prospect dolerite and
prospect teschenite, in
addition to an
abundance of co****
grained picrite,
olivine and its...