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Carbonatite (/ kɑːrˈbɒnəˌtaɪt /) is a type of intrusive or extrusive igneous rock defined by mineralogic composition consisting of greater than 50% carbonate minerals. [ 1 ] Carbonatites may be confused with marble and may require geochemical verification. Carbonatites usually occur as small plugs within zoned alkalic intrusive complexes ...
Specimen 7.5 cm) Sovite (or sövite) is the coarse-grained variety (or facies) of carbonatite, an intrusive, igneous rock. The fine-grained variety of carbonatite is known as alvikite. [1] The two varieties are distinguished by minor and trace element compositions. [2] Sovite is often a medium-to-coarse-grained calcite rock with variable ...
The Panda Hill Carbonatite is an apatite and pyrochlore bearing sovite carbonatite located in the Mbeya District of Tanzania. The deposit was found in the mid-1950s by the then Geological Survey of Tanganyika (now Tanzania). Niobium ore occurs largely in pyrochlore bearing sovite (carbonatite composed largely of calcite) and dolmite -rich ...
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Acorn TV. Release. 20 March 2022. (2022-03-20) –. present. Recipes for Love and Murder is a South African dark comedy mystery television series based on the Tannie Maria Mystery novels by Sally Andrew. The first two episodes screened at the 72nd Berlinale Series Market. [1] Season 1 began airing on 20 March 2022 on M-Net.
Calciocarbonatite (sövite) (Magnet Cove Carbonatite, mid-Cretaceous; Cove Creek, Hot Spring County, Arkansas) The Magnet Cove igneous complex is a small alkalic ring complex lying to the west of the town of Magnet Cove in Hot Spring County, Arkansas. [1] It and the adjacent town are so named due to the existence of magnetite and the terrain ...
The Alnö Complex or Alnö Alkaline Complex is a group of carbonatite and alkaline igneous rocks in Alnö in the eastern coast of central Sweden that intruded the basement in Late Ediacaran times. [ 1][ 2][ 3] The Alnö Complex is made up by a series of concentric dykes within a radius of 25 km of a main "central complex" of intrusions. [ 3][ 4 ...
Pages in category "Carbonatite occurrences". The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes .