Výsledky hledání pro autora

1

Obálka

The Marguette range supergroup in the Gogebic iron district, Michigan and Wisconsin : geologic description of the Precambrian X strata, particulary the Ironwood Iron-formation, and of the relationship between ore location and variations in sedimentary facies and metamorphic grade /

Autor Schmidt, Robert Gordon, 1924-
Vydáno 1980

Kniha

2

Obálka

Geology and ore deposits of the Cuyuna North range, Minnesota /

Autor Schmidt, Robert Gordon, 1924-
Vydáno 1963

Kniha

3

Obálka

The potential for porphyry copper-molybdenum deposits in the Eastern United States : a descriptive resumé of deposits of the porphyry type and an evaluation of potential areas for discovery of new deposits /

Autor Schmidt, Robert Gordon, 1924-
Vydáno 1978

Kniha

4

Obálka

Geology and copper mineralization of the Saindak quadrangle, Chagai District, West Pakistan /

Autor Ahmed, Waheeduddin, Khan, Shahid Noor, Schmidt, Robert Gordon, 1924-
Vydáno 1972

Kniha