Gold is deposited within iron oxides in the weathered rock or regolith, and may be further enriched by reworking by erosion.
12.
Weathered rock dust would suggest that smaller events at the base of the volcano are lifting old rock into the air.
13.
Deep-seated landslides usually involve deep regolith, weathered rock, and / or bedrock and include large slope failure associated with translational, rotational, or complex movement.
14.
Hailed as one of the great gold finds of the decade, Kanowna Belle was similarly hidden below a thick cover of soil and weathered rock.
15.
These little tulips, which stand only about 4 inches, spread easily, and they are wonderful planted like surprises under delicate trees or around some weathered rock.
16.
Saprolite ( from Greek ?????? = putrid + ????? = rock ) is a chemically weathered rock ( literally, it means " rotten rock " ).
17.
The mineral is typically found as a constituent of the fine grained matrix or as small phenocrysts which may occur as loose crystals in a weathered rock.
18.
This is usually followed by the explosive clearing of the vent and the eruption column is dirty grey to black as old weathered rocks are blasted out of the vent.
19.
Between the alluvium and the bedrock is a section of permeable weathered rock, lined with stone, and it is this section that provides the main water entry into the well.
20.
Looking nothing like the polished, coin-like medals of past games, Salt Lake's medals have heft and bulk and smooth but irregular edges, like a weathered rock plucked from a mountain stream.
