One thing that seems to be consistent with the genus Gravicalymene is that they sometimes occur in Dolomitic limestone and that many occur in the Silurian age.
22.
The Deseret is a 500-foot thick layer of dolomitic limestone with chert, with a basal layer of black shale that is host rock for many Utah caves such as Timpanogos Cave National Monument.
23.
"' Jerusalem stone "'( Arabic :-, 1'DB / 3; Hebrew : ??? ???????? ) is a name applied to various types of pale limestone, dolomite and dolomitic limestone, common in and around Jerusalem that have been used in building since ancient times.
24.
Dolomitic limestones are common along rivers Vazuza, Osugi, Tsna ( marble-like limestone ), there are deposits of tile, brick and pottery ( refractory ) of clay and quartz sand, sapropel are numerous underground fresh water and mineral formations, open sources ( the best known medicinal table water Kashinskaya ).
25.
The river has formed the gorge, and the Falls has receded upstream and south toward Lake Erie, by slow erosion of hard Lockport dolomite ( a dolomitic limestone or dolostone ) which is the surface rock of the escarpment combined with rapid erosion of relatively soft layers beneath it.
