Search
Search Results
-
Nitrogen cycle of tropical perennial crops under shade trees II. Cacao
A cacao (Theobroma cacao) plantation under shade trees was studied in northern Venezuela in order to estimate nitrogen stores in the soil and...
-
Geochemistry and petrology of the jequie granulitic complex (Brazil): an archean basement complex
The Jequie granulitic complex is part of the extensive high-grade metamorphic terrain located within the Sao Francisco craton of northeastern Brazil....
-
New K-Ar ages, chemical analyses and magnetic data of rocks from the islands of santa maria (azores), porto santo and madeira (madeira archipelago) and gran canaria (Canary Islands)
K/Ar-determinations, major and trace element chemical analyses and magnetic data are reported for rocks from Santa Maria (Azores), Madeira and Porto...
-
Geological framework of the Brazilian continental margin
Based on distinctive stratigraphic and/or structural characteristics, the Brazilian continental margin can be divided into two main provinces:
... -
Die Ostracoden-Sintflut — ein forschungsbericht
Ostracode research gets more and more discouraging, since workers feel the Flood of new data reaching up to their eyes. When, in 1961, the Treatise...
-
Die Problematik paläogeographischer Rekonstruktion
By the well-founded hypothesis of changes in the position of geotectonical major units during earth history, a paleogeographical reconstruction...
-
Der südwestliche Randbereich der Espinhaço-Zone, Minas Gerais, Brasilien
This paper is based on geological mapping in Precambrian metamorphic rocks at the SE border of the São Francisco Basin. The oldest unit are the...
-
The Precambrian geology of the “Borborema”-Belt (States of Paraíba and Rio Grande do Norte; northeastern Brazil) and the origin of its mineral provinces
In the crystalline area of the “Borborema” in NE Brazil the final geologic event was a strong static recrystallization, which is manifest in regional...
-
Zum Bau des Brasilianischen Schildes, Versuch einer Analyse des Brasiliden-Orogens
In the Brasilides-orogene Kober's theory of the bilateral architecture of mountain systems could be applied. The Brasilides originated out of an...
-
Die Minas-Gruppe in Nordost-Bahia, Brasilien
The quartzites and phyllites of the Precambrian Jacobina Series whose geological relations to the high-metamorphic rocks in the east were unknown...
-
The Brazilian Marginal Basins
The Brazilian coastline, extending more than 8000 km from the boundary with French Guyana (lat 4° N) to the Uruguay boundary (lat 33°45′ S) is broken...
-
Postmesozoische Entwässerung und Oszillation am Ostrande des Brasilianischen Schildes
The attempt is made to reconstruct the ancient drainage system of the coastal region of Middle Brazil by tracing remainders of terraces, sediments...
