LOCALITY-MINE			DISTRICT-STATE			COUNTRY
Cauè Iron Mine			Itabira,Minas Gerais		Brazil

COMPOUND-NAME			ROCK-ORE TYPE			COLLECTION
Ouro preto (black gold)		Sluicing of refuse from iron	(Cassedanne)ULB
				ore cleaning

A: Polished grain. SEM-BS. a: gold. b: isomertieite. c-d-e: various Pd-Pt-Fe-Mn-Ox. 
   Arrow: enlarged in B and C.
B: SEM-BS. f-g-h-: Three different Pd-Pt-Fe-Mn-Oxides. G and h show dessication cracks.
C: SEM-BS. The enlargement of f and the fine adjustement of brightness/contrast/focus 
   shows resolves the field into a mixture af micrometric native metal particles 
   in an oxidic matrix.

CODE : Murl. 33