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Talemzane impact crater (Madna impact crater), Hassi Delaa, Laghouat Province, Algeriai
Regional Level Types
Talemzane impact crater (Madna impact crater)Crater
Hassi Delaa- not defined -
Laghouat ProvinceProvince

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Latitude & Longitude (WGS84):
33° 19' North , 4° 2' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:

Small impact crater (diameter 1.75 km) dating back to the Pliocene(?).

Located 40 km south-east of the small city of Hassi Delaa.

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert
Northwest Africa MeteoritesMeteorite Fall Location

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

2 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: CaCO3
Reference: Belhai, D., Sahoui, R., & Devouard, B. (2012, March). New Studies about the Maadna Impact Crater (Talemzane, Algeria). In Lunar and Planetary Science Conference (Vol. 43).
Minrecordite ?
Formula: CaZn(CO3)2
Description: ID by x-ray (may be a bit questionable)
Reference: Belhai, D., Sahoui, R., & Devouard, B. (2012, March). New Studies about the Maadna Impact Crater (Talemzane, Algeria). In Lunar and Planetary Science Conference (Vol. 43).

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Minrecordite ?5.AB.10CaZn(CO3)2

List of minerals arranged by Dana 8th Edition classification

Minrecordite ?
Unclassified Minerals, Mixtures, etc.

List of minerals for each chemical element

C AragoniteCaCO3
C MinrecorditeCaZn(CO3)2
O AragoniteCaCO3
O MinrecorditeCaZn(CO3)2
Ca AragoniteCaCO3
Ca MinrecorditeCaZn(CO3)2
Zn MinrecorditeCaZn(CO3)2


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Karpoff, R. (1953) The meteorite crater of Talemzane in southern Algeria. Meteoritics, 1, 31-38.
Belhai, D., Sahoui, R., Devouard, B. (2012, March) New Studies about the Maadna Impact Crater (Talemzane, Algeria). Lunar and Planetary Science Conference, 43.

Other Databases

Wikidata ID:Q1455485

External Links

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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