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Gyumush-Dzhraber-Fantan obsidian deposit, Kotayk' Province, Armeniai
Regional Level Types
Gyumush-Dzhraber-Fantan obsidian depositDeposit
Kotayk' ProvinceProvince

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Name(s) in local language(s):Гюмуш-Джарбер-Фантан, Ջրաբերի օբսիդիանի հանքավայր
Latitude & Longitude (WGS84): 40° 23' 39'' North , 44° 41' 7'' East
Latitude & Longitude (decimal): 40.39421,44.68540
GeoHash:G#: szpvbcdcm
Locality type:Deposit
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
Fantan1,019 (2016)0.1km
Argel2,528 (2016)7.4km
Bjni2,771 (2016)7.7km
Kaputan1,252 (2016)7.8km
Solak2,295 (2016)7.8km

Obsidian flows mined by quarries.

Coordinates are for Fantan.

Regions containing this locality

Eurasian PlateTectonic Plate
Soviet Union (1922-1991)Country (Former)

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No minerals currently recorded for this locality.

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Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Pleistocene - Pliocene
0.0117 - 5.333 Ma

ID: 3187920
Cenozoic volcanic rocks

Age: Cenozoic (0.0117 - 5.333 Ma)

Lithology: Mafic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

2.588 - 23.03 Ma

ID: 3132437
Neogene andesite

Age: Neogene (2.588 - 23.03 Ma)

Lithology: Andesite group

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Барсанов Г. П., Яковлева М. Е., Потапова Л. И. О пестром обсидиане Джрабер-Фонтанского месторождения (Армянская ССР).// Драгоценные и цветные камни, Moсква, 1980.

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