Jul 26, 2018 18:04
6 yrs ago
1 viewer *
English term

prospecting for deep leads

English to Portuguese Tech/Engineering Mining & Minerals / Gems Detecção de aluvião aurífero sob a camada de basalto
Olá! Deep leads em mineração subterrânea teria qual significado?

Palavra: deep leads

Proposed translations

+4
42 mins
Selected

prospecção para depósitos de ouro de aluvião/cassiterita

Definition of deep lead

Alluvial deposit of gold or tin stone buried below a considerable thickness of soil or rock.
-https://www.mindat.org/glossary/deep_lead

-A weighty example of Cassiterite tin ore from the world famous Levant Mine, Trewellard, Cornwall. The 'Tin Stone' is a deep browny-green Chlorite heavily embedded with Cassiterite. There are lots of small cavities lined with sparkling micro-crystals of Cassiterite.
https://www.crystalclassics.co.uk/product/cassiterite-tin-st...
Peer comment(s):

agree Maria Teresa Borges de Almeida
1 hr
Obrigado, Teresa.
agree Matheus Chaud
2 hrs
Obrigado, Matheus
agree Mario Freitas :
3 hrs
Obrigado, Mário
agree Antonio Tomás Lessa do Amaral
12 hrs
Obrigado, Antonio Tomás.
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Selected automatically based on peer agreement."
+2
18 mins

prospecção para (descoberta de) jazidas / jazigos / depósitos de minério profundos

prospecting: prospecção (Reverso)

prospecção: Geol. Min. Petr. Análise de terreno para avaliar se nele estão presentes jazidas minerais, petrolíferas ou de gás. (Aulete)

"Such mineral deposits are known as leads.
Leads are defined as two types – shallow leads and deep leads."
Fonte: https://education.sovereignhill.com.au/media/uploads/audio/L...

jazida: (Bras. Geol.Min.) Depósito natural de minério, no solo ou subsolo; JAZIGO (Aulete)


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Note added at 22 mins (2018-07-26 18:26:55 GMT)
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Nota: "profundas" se for usar "jazidas".

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Note added at 6 hrs (2018-07-27 00:13:51 GMT)
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Desculpe, um dos links acima estava errado. Aqui está o URL correto:
https://education.sovereignhill.com.au/media/uploads/audio/L...
Note from asker:
Muito obrigado!
Peer comment(s):

agree Alcinda Marinho
8 mins
Obrigado, Alcinda.
agree Paulo Gasques
3 days 3 hrs
Obrigado, Paulo.
Something went wrong...

Reference comments

3 hrs
Reference:

Lead/deep lead

lead: a well-defined bed of auriferous wash-dirt in a terrace or stream bed

deep leads: ancient alluvial deposits often buried beneath a considerable thickness of non-auriferous strata. They are usually worked by sinking a shaft from which tunnels are driven onto the leads (see hard rock mining definition).

http://www.asha.org.au/pdf/australasian_historical_archaeolo...

DEEP LEAD A gold-bearing alluvial deposit buried below a considerable thickness of soil, lava or other barren material.

https://westernmininghistory.com/articles/7771/page1/
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