- geology,
anorogenic magmatism is the formation,
intrusion or
eruption of
magmas not
directly connected with
orogeny (mountain building).
Anorogenic magmatism...
-
granitoids and
granitic rock by
their protoliths or source. The 'A'
stands for
Anorogenic or Anhydrous, as
these granites are
characterized by low
water content...
- the
Pikes Peak
granite are A-type,
meaning granites that
originate in
anorogenic, or non-mountain building,
tectonic settings, with an
alkaline geochemistry...
- (Zhaertai-Bayan Obo Belt). The
fragmentation corresponded with
widespread anorogenic magmatic activity,
forming anorthosite-mangerite-charnockite-granite suites...
-
exceptions to
these generalizations. For example,
granitoids can form in
anorogenic environments, a
granitoid source rock can be from the
mantle (for example...
-
pegmatites with
mainly orogenic plutons, and NYF
pegmatites with
mainly anorogenic plutons. Lately,
there have been a few
attempts to
create a new classification...
- Encarnación, J.P., and Mukasa, S.B. (1997). Age and
geochemistry of an '
anorogenic'
crustal melt and
implications for the
origin of I-type granites. Lithos...
- Gibson, I. L. (1992). "Granites of
Edward VII Peninsula,
Marie Byrd Land:
anorogenic magmatism related to Antarctic-New
Zealand rifting".
Earth and Environmental...
-
plume related Malani magmatism in the NW
Indian shield is intraplate,
anorogenic, A-type and is
indicative of
extensional tectonic environment in the region...
-
Matachewan hotspot Earth sciences portal Geology portal Volcanoes portal Anorogenic magmatism Cold spot
Tharsis "The
source of Yellowstone's heat". USGS....
