ssef fieldtrip to paraiba, brazil · the alto dos quintos mine, 9 km south of parelhas, has been...
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SSEF Fieldtrip
to
Paraiba, Brazil
Dr. Hao Wang
Sebastian Hänsel
Alexander Klumb
Swiss Gemmological Institute
SSEF
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Table of contents
• Geography and geological
setting of Paraiba
• Different mining sites
• Mulungu Mine (MTB)
• Mina da Batalha
• Alto dos Quintos
• Small scale mines
• Further impressions
Paraiba Tourmaline (SSEF No. 95907)
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World map with Brazil indicated in red
State map of Brazil with Rio grande do Norte and Paraiba
in the East
Geography and geological
setting of Paraiba
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Geography and geological setting of Paraiba
Geographical map of Paraiba, Rio Grande do Norte and Pernambuco
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Geography and geological setting of Paraiba
Geographical location of Paraiba-Tourmaline mines
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Geological map of the area around Parelhas
Generalized regional geological map modified
from Jaguaribe SE (2000)
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The Mulungu mine
Overview about the Mulungu mine (Mineracao Terra Branca Ltda.) with the headquarters on the right and
the new lift on the left side.
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The Mulungu mine
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The Mulungu mine
First impressions from inside
the mine
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The Mulungu mine
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The Mulungu mine
Comb-textured dravite (black crystals) at the border
of the pegmatite
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The Mulungu mine
Going down to 104 meters
Conveyor belt to bring the rocks to the surface
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The Mulungu mine
Sorting small melee sized stones
and „new products“
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The Mulungu mine
Impressive samples shown by MTB
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Mina da Batalha
Overview of the mining area on Morro Alto near San Jose da Batalha
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Mina da Batalha
This simplified sketch map shows the locations of the pegmatite dikes referred to as “lines” 1
through 4 (5 and 6 are not shown) on Morro Alto. Also shown are property boundaries between
different mining companies. Both primary (pegmatite) and secondary (alluvial/eluvial)
deposits are being worked.
Modified from mine map commissioned by Heitor Barbosa, January 2000.
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Mina da Batalha
Tourmaline samples in a variety of colours from
the „Mina da Batalha“
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Alto dos Quintos
Gate to the „Alto dos Quintos“ mine, also known as the „Wild mine“
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Alto dos Quintos
The Alto dos Quintos mine, 9 km south of Parelhas,
has been explored for cuprian elbaites for several
years. Nowadays the mine is flooded and does not
produce gemstones anymore.
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Serra Branca
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Serra Branca
Green and blue Tourmaline samples from the small scale mine „Serra Branca“
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Smaller „new mines“
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Further impressions
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Further impressions
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Further impressions
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Thank you for your attention