The placer gold in the area soon played out, but hard rock deposits of gold were found in the mountains to the west.

Another income source came into play when hard rock deposits were discovered at the Schneeweiderhof.

The rock deposits in the area have also been used to study post-glacial carbonates.

Most good prospectors knew that this placer gold was eroded from hard rock deposits.

It is usually taken from sea water or rock deposits.

He concluded that the land had indeed risen, and referred to loose rock deposits as "part of the long disputed Diluvium".

Within the region is Pollack crater, which has light-toned rock deposits.

A series of islets, inlets and rock deposits from the last ice age appear at the south end of the island.

India is pioneer in the exploration, mining of commercial rock deposits and in establishing a firm base for stone industry.

A number of pits were dug in both alluvial and hard rock deposits.