stripes
Occurrence number:
162-00-016
Country:
Tajikistan
Location:
Longitude: 74.65, Latitude: 38.08
Carbonatite:
No
More than 20 dykes extend over 100-120 km and have an arcuate distribution which is controlled by faulting. The dykes are from 1 to 8 m thick and comprise grorudite and a range of alkaline syenites and porphyries and minette and other lamprophyres. The dykes can be multiple and a common type, illustrated by Fig. 104, contains fergusite, pseudoleucite tinguaite and syenite.
Age:
Neogene.
References:
DMITRIEV, E.A. 1976. Cainozoic potassic alkaline rocks of East Pamir. Donish, Dushanbe. 170 pp.
Map:
Fig. 2_104. Dyke at the head of the Agad'in-D'ilga River; one of northern belt of dykes in Pamirs (after Dmitriev, 1976, Fig. 4).
Location: