Atmospheric trace metals and sulfate in the Greenland Ice Sheet
suggest that Zn,Pb and sulfate are presently being deposited there at two to three times the natural rates.No recentdeposits (MUROZUMI et al.,1969; KOIDE and GOLD .BERG,1971 Mn,Fe,Cu,Ni,Co,Ga,Cr.V,Ba,Sr,Sn,Zn and.Pb in someHAMMER C.U.(1975) Dating of Greenland ice cores by micro particle.
Silver: A native element,mineral,alloy,and byproduct Geology
All Products Field Books Fossil Fish Gem Mineral Books Gfeller Leather Cases Gold Books Maps Rock Hammers RockUnlike gold,it is rarely found in significant amounts in placer deposits.Berryite,Pb3(Ag,Cu)5Bi7Si6Most of the silver produced today is a byproduct of mining copper,lead,and zinc.Contact Us