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Geology of the Curimatau medium region (Paraiba State, Brazil) and the emplacement of the Dona Ines granite associated to the Brasiliano transcurrent shear zones; Geologia da Regiao do Medio Curimatau (PB) e o alojamento do granito de Dona Ines associado a zonas de cisalhamento transcorrentes brasilianas

Abstract

In an area of about 700 Km{sup 2} located in the northeast of Paraiba State and having as main point the town of Dona Ines, a geologic/structural mapping, a gravimetric survey and radiometric dating using the Rb/Sr method in whole rock and Sm.Nd model ages were undertaken in order to study and to understand the geology of this portion of terrain, the emplacement of the Dona Ines granitoids and its relationship with the enclosing rocks and the deformation acting at the time of the intrusion. The age of the pluton of Dona Ines was determined by the Rb/Sr whole rock method as 560 {+-} 20 Ma (end of Brasiliano Cycle in the region). Sm.Nd model ages in granitoids of Araras, Belem and Dona Ines have revealed paleoproterozoic ages for their crustal sources, as indicated by the negative {epsilon}{sub nd} of this rock 128 refs., 95 figs., 6 tabs., 7 maps
Publication Date:
Dec 31, 1996
Product Type:
Thesis/Dissertation
Report Number:
INIS-BR-3734
Reference Number:
SCA: 540211; PA: AIX-30:050678; SN: 99002164778
Resource Relation:
Other Information: DN: 128 refs., 95 figs., 6 tabs., 7 maps; TH: Tese (M.Sc.); PBD: 1996
Subject:
54 ENVIRONMENTAL SCIENCES; BRAZIL; GEOLOGIC STRUCTURES; GEOLOGIC SURVEYS; GEOLOGY; GRANITES; GRAVIMETRY; ISOTOPE DATING; METAMORPHISM; NEODYMIUM ISOTOPES; PETROGRAPHY; RADIOMETRIC ANALYSIS; RUBIDIUM ISOTOPES; SAMARIUM ISOTOPES; STRATIGRAPHY; STRONTIUM ISOTOPES
OSTI ID:
702629
Research Organizations:
Sao Paulo Univ., SP (Brazil). Inst. de Geociencias
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
Other: ON: DE99638976; TRN: BR99H0657050678
Availability:
INIS; OSTI as DE99638976
Submitting Site:
BRN
Size:
173 p.
Announcement Date:

Citation Formats

Borges, Sergio Vieira Freire. Geology of the Curimatau medium region (Paraiba State, Brazil) and the emplacement of the Dona Ines granite associated to the Brasiliano transcurrent shear zones; Geologia da Regiao do Medio Curimatau (PB) e o alojamento do granito de Dona Ines associado a zonas de cisalhamento transcorrentes brasilianas. Brazil: N. p., 1996. Web.
Borges, Sergio Vieira Freire. Geology of the Curimatau medium region (Paraiba State, Brazil) and the emplacement of the Dona Ines granite associated to the Brasiliano transcurrent shear zones; Geologia da Regiao do Medio Curimatau (PB) e o alojamento do granito de Dona Ines associado a zonas de cisalhamento transcorrentes brasilianas. Brazil.
Borges, Sergio Vieira Freire. 1996. "Geology of the Curimatau medium region (Paraiba State, Brazil) and the emplacement of the Dona Ines granite associated to the Brasiliano transcurrent shear zones; Geologia da Regiao do Medio Curimatau (PB) e o alojamento do granito de Dona Ines associado a zonas de cisalhamento transcorrentes brasilianas." Brazil.
@misc{etde_702629,
title = {Geology of the Curimatau medium region (Paraiba State, Brazil) and the emplacement of the Dona Ines granite associated to the Brasiliano transcurrent shear zones; Geologia da Regiao do Medio Curimatau (PB) e o alojamento do granito de Dona Ines associado a zonas de cisalhamento transcorrentes brasilianas}
author = {Borges, Sergio Vieira Freire}
abstractNote = {In an area of about 700 Km{sup 2} located in the northeast of Paraiba State and having as main point the town of Dona Ines, a geologic/structural mapping, a gravimetric survey and radiometric dating using the Rb/Sr method in whole rock and Sm.Nd model ages were undertaken in order to study and to understand the geology of this portion of terrain, the emplacement of the Dona Ines granitoids and its relationship with the enclosing rocks and the deformation acting at the time of the intrusion. The age of the pluton of Dona Ines was determined by the Rb/Sr whole rock method as 560 {+-} 20 Ma (end of Brasiliano Cycle in the region). Sm.Nd model ages in granitoids of Araras, Belem and Dona Ines have revealed paleoproterozoic ages for their crustal sources, as indicated by the negative {epsilon}{sub nd} of this rock 128 refs., 95 figs., 6 tabs., 7 maps}
place = {Brazil}
year = {1996}
month = {Dec}
}