-
contact metamorphism by
adjacent granitic m****es.
Metamorphosed basalt (
metabasalt)
creates ortho-amphibolite and
other chemically appropriate lithologies...
- 200–500 MPa (2,000–5,000 bar). They can be
divided into a
lower group of
metabasalts,
including rare metakomatiites; a
middle group of meta-intermediate-rock...
- brick, and the
slightly harder green clay,
which is
actually crushed metabasalt.
Although slightly less
expensive to
construct than
other types of tennis...
- type. For example, a
weakly metamorphosed basalt would be
described as a
metabasalt, or a
weakly metamorphosed tuff as a metatuff.
Metavolcanic rock is commonly...
-
formed by
metasomatic alteration at high
pressures of ocean-island-type
metabasalts during the Pan-African orogeny. The
Mwembeshi Shear Zone
forms the northern...
-
Kolar greenstone belts. The Kolar-type
greenstone mainly contains some
metabasalts and
felsic volcanic rocks.
Granitic plutons (2.7-2.5 Ga) The granitoids...
-
greenschist but can also be rock
types without any schistosity,
especially metabasalt (spilite). However,
basalts may
remain quite black if
primary pyroxene...
- limestone, gabbro, quartzite, pyroxenite,
manganese and iron ores and
metabasalt. The
Proterozoic non-fossiliferous
sedimentary formations of the Kaladgi...
-
several types of
metamorphic rocks which are used
synonymously with '
metabasalt' et cetera; greenschist,
whiteschist and
blueschist are all
terms spawned...
-
mineralized quartz veins within sheared ophiolite sequences of
serpentinite and
metabasalt,
imbricated with
Hammamat sediments, in
direct contact with the tonalite...