- chlorite, and calcite. The
texture is
termed diabasic and is
typical of
diabases. This
diabasic texture is also
termed interstitial. The
feldspar is high...
- The York
Haven Diabase is a rock
formation in Pennsylvania,
United States. It
underlies the
Rossville Diabase and is Jur****ic in age. The
formation is...
- The
Diabase Hills are a
mountain range in
Washoe County, Nevada. "
Diabase Hills".
Geographic Names Information System.
United States Geological Survey...
- the
diabasic portion and are
composed of a
distinct type of rock
called Diabase-Schist-Tuff, as
noted in
earlier geological research. However, more recent...
- of this
igneous rock.
There is very
little co****r-grained
gabbro and
diabase.
Nephelinite is
exposed on the
islands but is
extremely rare. The majority...
- and the
specific gravity is 2.8 - 3.0. The type
localities are in the
diabases of the
Connecticut River valley and Arendal, Aust-Agder, Norway. ****ociated...
-
alteration of
augite (biotite or hornblende) to chlorite, and is seen in many
diabases,
diorites and greenstones.
Epidotization occurs also in
rocks of this group...
-
years ago.
Along the river, the
Palisades are of
metamorphic basalt, or
diabases, the
Highlands are
primarily granite and
gneiss with intrusions, and from...
- Many
instances of
scapolitization have been
described from the
ophites (
diabases) of the Pyrenees. In the
unaltered state these are
ophitic and consist...
-
extrusive igneous rock.
Types of trap rock
include basalt, peridotite,
diabase, and gabbro. Trap is also used to
refer to
flood (plateau) basalts, such...
