Geology: rocks, formations and places

Penedono – Viseu
Portugal

The place and the gold-bearing granite-hosted quartz veins

Diamantina – Minas Gerais
Brazil

Birthplace of the modern diamond industry, home away from home

Mayoko
Congo-Brazzaville

Alluvial columbo-tantalite (pegmatite derived) and gold deposits

Luembe river – Luxilo
Lunda Norte – Angola

Alluvial diamond mining since the fifties

Luando river – the falls and upstream, Bié – Angola

Diamond exploration in the center of Angola

nov 2009 Angola 045

Chicapa river – Lunda Norte & Lunda Sul – Angola

Kimberlite river

 

Andaraí & Lençóis – Bahia
Brazil

2004 road trip to Bahia

Goiás & Minas Gerais
Brazil

A mineral treasure trove – 2015

S. João d’el Rey & Diamantina, Minas Gerais – Brazil

History, churches, diamonds and gold in Minas Gerais (2004)

Negombo,  Galle, Ratnapura,  Colombo and elsewhere
Sri Lanka

History, words, elephants, sapphires, Buda and St. Anthony (2015)

R1F02

Guanambi and Salvador,
Bahia
Brazil

Cacti in granite land and the History capital(2003)

R1F02

Lunda Sul, Lunda Norte, Luanda & elsewhere
Angola

Of lions and nymphs (May 2016)

 

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