- Wiktionary, the free dictionary.
Diabase (/ˈdaɪ.əˌbeɪs/), also
called dolerite (/ˈdɒl.əˌraɪt/) or microgabbro, is a mafic, holocrystalline, subvolcanic...
-
Quartz dolerite or
quartz diabase is an
intrusive rock
similar to
dolerite (also
called diabase), but with an
excess of quartz.
Dolerite is
similar in...
- varieties, including:
basalt in Victoria, Australia, and in New
Zealand dolerites in Tasmania, Australia; and in
Britain (including Stonehenge) feldspathic...
-
Tasmania is complex, with the world's
biggest exposure of diabase, or
dolerite. The rock
record contains representatives of each
period of the Neoproterozoic...
- The Whin Sill or
Great Whin Sill is a
tabular layer of the
igneous rock
dolerite in
County Durham,
Northumberland and ****bria in the
northeast of England...
- The
Prospect dolerite intrusion, or
Prospect intrusion, is a Jur****ic
picrite or
dolerite laccolith that is
situated in Sydney, New
South Wales, Australia...
- Iron Age.
There is also
evidence of a
rectangular Gallo-Roman temple. The
dolerite stratum has been mined, and used to make axe
heads during the Neolithic...
- the
summit of
Prospect Hill. The
quarrying of blue metal,
basalt and
dolerite was
abundant in the area in the past two centuries. Pemulwuy, formerly...
- is
composed of an
upper sill of
dolerite and sandstone, with the
harder dolerite forming cliffs and ridges. The
dolerite sill and the
sediments underlying...
-
point in 1954. Like most
peaks in the area it is
capped with Jur****ic
dolerite. The
Mount Ossa
highland area
spans the
boundary between the Big River...
