Carbonaceous chondrite (CM2)
Fell, 22 Jun 1940; 113 g

Erakot is a rare CM (Mighei-like) Carbonaceous Chondrite and, as such, is referred to in numerous articles. It apparently is rich in phyllosilicates, aqueous alterations products and various inclusions, but specific mineralogical references are rather sparse for this small meteorite. Only 15 CM chondrite falls had been discovered by early 2015.

CM Chondrites are the most numerous group of carbonaceous chondrites with 500 CM meteorites or meteorite fragments now recovered. However, most of them are small Antarctic finds and may represent a significantly smaller number of individual falls.

The main mass is held at the Geological Survey of India (Calcutta).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Chromite

ⓘ Chrysotile

ⓘ Enstatite

ⓘ 'Fayalite-Forsterite Series'

ⓘ Forsterite

ⓘ Magnetite

ⓘ 'Serpentine Subgroup'

5 valid minerals.

Meteorite/Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

ⓘ CM2 chondrite meteorite

Detailed Mineral List:

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Reference: Grady, M. M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

Reference: Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115: 10 pages. (Dec 1962)

ⓘ Enstatite

Formula: Mg₂Si₂O₆

Reference: Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115, 10 pages. (Dec 1962)

ⓘ 'Fayalite-Forsterite Series'

Description: Although the olivine is predominantly Mg-rich - sometimes nearly pure forsterite — a small number of more fayalitic olivine grains are also present.

Reference: Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115, 10 pages. (Dec 1962)

ⓘ Forsterite

Formula: Mg₂SiO₄

Reference: Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115, 10 pages. (Dec 1962)

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Reference: Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115, 10 pages. (Dec 1962); Hyman, M. & Rowe, M. W. (1983) The Origin of Magnetite in Carbonaceous Chondrites (Abstract.): Lunar and Planetary Science XIV: 341-342. (March 1983)

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Reference: Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115, 10 pages. (Dec 1962)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
Group 9 - Silicates
ⓘ	Chrysotile	9.ED.15	Mg₃(Si₂O₅)(OH)₄
ⓘ	Enstatite	9.DA.05	Mg₂Si₂O₆
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
Unclassified Minerals, Rocks, etc.
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	Oxygen
O	ⓘ Enstatite	Mg₂Si₂O₆
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	Magnesium
Mg	ⓘ Enstatite	Mg₂Si₂O₆
Mg	ⓘ Forsterite	Mg₂SiO₄
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	Silicon
Si	ⓘ Enstatite	Mg₂Si₂O₆
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Mason, B. & Wiik, H. B. (1962) Descriptions of Two Meteorites: Karoonda and Erakot. American Museum Novitates, #2115, 10 pages. (Dec 1962)

Hyman, M. & Rowe, M. W. (1983) The Origin of Magnetite in Carbonaceous Chondrites (Abstract.): Lunar and Planetary Science XIV: 341-342. (March 1983)

Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.

Grady, M. M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.

External Links

http://digitallibrary.amnh.org/dspace/bitstream/handle/2246/3418//v2/dspace/ingest/pdfSource/nov/N2115.pdf?sequence=1
http://www.encyclopedia-of-meteorites.com/test/Erakot_don_edwards.JPG
http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1983LPI....14..341H&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf

Other Regions, Features and Areas containing this locality

AsiaContinent

India

Chhattisgarh
- ⭔Bastar DivisionDivision

Indian Plate (India Plate)Tectonic Plate

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Erakot meteorite, Bastar district, Chhattisgarh, IndiaiRegional Level TypesErakot meteoriteMeteorite Fall Location Bastar districtDistrict ChhattisgarhState IndiaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Mineral List

Meteorite/Rock Types Recorded

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

References

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External Links

Other Regions, Features and Areas containing this locality

Erakot meteorite, Bastar district, Chhattisgarh, India i
Regional Level Types
Erakot meteorite Meteorite Fall Location
Bastar district District
Chhattisgarh State
India Country