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Ayu-Dag Mountain, Alushta, Crimea peninsula, Crimea Oblast', Ukraine

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Name(s) in local language(s): #1040#1102#1044#1072#1075#1075#1086#1088#1072#1040#1083#1091#1096#1090#107215#1082#1084#1102#1078#1085#1077#1077#1040#1074#1090#1086#1085#1086#1084#1085#1072#1103#1056#1077#1089#1087#1091#1073#1083#1080#1082#1072#1050#1088#1099#1084#1059#1082#1088#1072#1080#1085#1072
 
Ayu-Dag Mountain is the largest intrusive massif (middle Jurassic) in the Crimea. It represent a complex multiphase pluton possessing a long history of formation. It is composed mainly of hornblende- and biotite-bearing two-pyroxene quartz dolerites, gabbro-dolerites, gabbro-diorites and diorites, intersecting the shales of the Tavricheskaya series (upper Triassic - lower Jurassic). The width of the aureole of contact alteration represented by hornfelses and nodular schists reaches 5 - 10 m. Zones of brecciation, propylitization, as well as quartz-carbonate and carbonate veinlets and veins with sulfide mineralization are observed among plutonic rocks and over the exocontact aureole.

Located 15 km to the south of Alustha.

Mineral List



34 entries listed. 31 valid minerals.

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

- Alexander I. Tischenko (1996): Minerals of the Crimea. World of stones, 1996, #9, 9-18.

Mineral and/or Locality  
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