‘cosmic dust‘

[This waterfall] falls down from the limestone shelf between BIII alpha and BIII beta units of the Kunda Regional Stage (Darriwilian). Just from that interval we collected samples enriched with extraterrestrial micrometeorites (cosmic dust).

Photo and explanation by Dr. Andrei Dronov.



#waterfall
#cosmicdust
#limestone
#StPetersburgRegion
#micrometeorites