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https://rigeo.sgb.gov.br/handle/doc/15234Registro completo
| Campo DC | Valor | Idioma |
|---|---|---|
| dc.contributor.author | TEIXEIRA, Noevaldo Araújo | - |
| dc.contributor.author | CAMPOS, Leandro Duarte | - |
| dc.contributor.author | CARVALHO, Marco Túlio Naves de | - |
| dc.contributor.author | CUNHA, Lys Matos | - |
| dc.date.accessioned | 2015-12-28T17:15:37Z | - |
| dc.date.available | 2015-12-28T17:15:37Z | - |
| dc.date.issued | 2015 | - |
| dc.identifier.citation | TEIXEIRA, Noevaldo Araújo et al. Porphyry or Not Porphyry: That´s Not The Only Question. In: SIMPOSIO DE GEOLOGIA DA AMAZONIA, 14., 27 set.-1 out. 2015, Marabá. [Anais] .... Marabá: SBG, 2015. Tema: Recursos minerais da Amazônia e suas implicações socioeconômicas. | pt_BR |
| dc.identifier.uri | https://rigeo.sgb.gov.br/handle/doc/15234 | - |
| dc.description.abstract | Tapajós (PA) and Alta Floresta (MT) gold areas form one large (1,900 km long and 280 km wide) Paleoproterozoic gold province named Tapajós – Alta Floresta Gold Province (TAFGP). Gold deposits from the TAFPG are divided into two major groups: (1) Epithermal and pluton-related high grade quartz vein deposits ±(Zn-Pb-Cu-Fe) with restricted sericite, chorite and carbonate alteration; and (2) Low grade disseminated deposits ±(Ag-Bi-Te-Pb-Zn) with “phyllic” fault-controlled alteration (muscovite-quartz-pyrite) and strong to moderate silicification. Early k-feldspar alteration is pervasive and not related to gold grades. TAFGP deposits are not porphyry-type or intrusion related strictu sensu gold deposits. Additionally, TAFGP gold deposits are not related to subdution zones. Seismic thomography revealed that the TAFGP sits over a rifted SCLM keel (Amazon archean craton). TAFGP gold deposits represent a new type of gold mineralization related to intracratonic A-type volcanic-subvolcanic-plutonic system generated by large underplate-plume | pt_BR |
| dc.language.iso | pt_BR | pt_BR |
| dc.publisher | SBG | pt_BR |
| dc.rights | open | pt_BR |
| dc.subject | RECURSOS MINERAIS | pt_BR |
| dc.subject | OURO | pt_BR |
| dc.subject | BRASIL | pt_BR |
| dc.subject | AMAZONAS | pt_BR |
| dc.subject | TAPAJOS | pt_BR |
| dc.title | Porphyry or Not Porphyry: That´s Not The Only Question | pt_BR |
| dc.type | Working Paper | pt_BR |
| dc.local | Marabá, PA | pt_BR |
| Aparece nas coleções: | Trabalhos Apresentados em Eventos | |
Arquivos associados a este item:
| Arquivo | Descrição | Tamanho | Formato | |
|---|---|---|---|---|
| AR-Eventos_TEIXEIRA_2.pdf | producao cientifica | 378,44 kB | Adobe PDF |  Visualizar/Abrir |
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