Kungiyar Yesnaby Sandstone

Kungiyar Yesnaby Sandstone kungiya ce ta Devonian lithostratigraphic (jerin dutse) a yammacin Mainland Orkney, Scotland . Sunan ya samo asali ne daga yankin Yesnaby inda aka fallasa ɓangarorin a cikin tsaunuka na bakin teku.

 Yankunan da aka samo 
Wadannan sassan suna fallasa ne kawai a kowane bangare na Garthna Geo Fault a yankin Yesnaby na yammacin Mainland, Orkney.

 Lithology da stratigraphy 
Kungiyar ta ƙunshi Qui Ayre Sandstone da Harra Ebb Sandstone . Gidajen basal sune talus da facies na fan da aka ajiye a cikin kogi ko tafkin da ke gefen kogi mai yiwuwa a lokacin Emsian Stage na Devonian Period.

 Manazarta