- chlorite, and calcite. The
texture is
termed diabasic and is
typical of
diabases. This
diabasic texture is also
termed interstitial. The
feldspar is high...
- 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...
-
Subvolcanic rocks include diabase (also
known as dolerite) and porphyry.
Common examples of
subvolcanic rocks are
diabase,
quartz dolerite, microgranite...
- pyroxene, amphibole, and biotite.
Common mafic rocks include basalt,
diabase and gabbro.
Mafic rocks often also
contain calcium-rich
varieties of plagioclase...
-
intermediate between plutonic and
volcanic rock, and are
classified as
diabases or dolerites. Rare
ultramafic hypabyssal rocks called lamprophyres have...
- e. the
diabase usually cuts the sandstone) than
temporal (all the
Jotnian sandstones not
necessarily older than all the
Postjotnian diabases). At large...
-
extrusive igneous rock.
Types of trap rock
include basalt, peridotite,
diabase, and gabbro. Trap is also used to
refer to
flood (plateau) basalts, such...
- University.
Wherry theorized that the
ringing was due to the
texture of the
diabase rocks and that they were
supported by
other rocks. He
identified the boulder...
-
formed where French Cr**** cuts
across a
series of
diabase (trap rock) ****s.
Erosion of the
diabase ****s by the cr**** has
caused huge
boulders to fall...
- 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...