-
Carbonatite (/kɑːrˈbɒnəˌtaɪt/) is a type of
intrusive or
extrusive igneous rock
defined by
mineralogic composition consisting of
greater than 50% carbonate...
- The Siilinjärvi
carbonatite complex is
located in
central Finland close to the city of Kuopio. It is
named after the
nearby town of Siilinjärvi, located...
-
typically 1 to 4 m wide. They
consist of m****ive
carbonatites that are
mostly devoid of vesicles. The
carbonatite rocks have been
dated as
having cooled between...
- lithium, copper, gold, coal, iron ore, and
other minerals. The
Khanashin carbonatite in
Helmand Province contains 1,000,000
tonnes (980,000 long tons; 1,100...
- co****-grained
variety (or facies) of
carbonatite, an intrusive,
igneous rock. The fine-grained
variety of
carbonatite is
known as alvikite. The two varieties...
- tinguaite,
lamprophyre micromalignite,
lamprophyre micromelteigite, or
carbonatite. The
Beemerville Alkaline Complex also
includes several lamprophyric...
-
these are
planets which are rich in carbon.
Chemical composition: The
carbonatites contain a groundm**** of
fluorite and sylvite,
while apatite, galena,...
- include:
Carbonatite and
natrocarbonatite lavas are
known from Ol
Doinyo Lengai volcano in Tanzania,
which is the sole
example of an
active carbonatite volcano...
- 46 km (29 mi) from
Dharmapuri and 199 km (124 mi) from Chamrajnagar.
Carbonatite rocks in this site are
considered to be the
oldest of its kind in South...
-
rifts are
characterized by
volcanoes that
erupt unusual alkali lava or
carbonatites.
Examples include the
volcanoes of the East
African Rift. A
volcano needs...
