Results 121 to 130 of about 39,712 (281)

Potential for stratiform base-metal sulphides in SW England [PDF]

open access: yes, 2004
The British Geological Survey (BGS) has recently re-evaluated the potential for stratiform base-metal sulphide mineralisation in Devon and east Cornwall (Rollin et al., 2001) (Figure 1). On the basis of their stratigraphy and tectonic setting the Lower
Benham, A.J.   +3 more
core  

Biostratigraphy and lithofacies of the Middle-Upper Devonian in the Ayazovo oil field (North-Eastern of Bashkiria)

open access: diamond, 2023
Е. Н. Горожанина   +3 more
openalex   +2 more sources

RESERVOIR CHARACTERIZATION OF UPPER DEVONIAN GORDON SANDSTONE, JACKSONBURG STRINGTOWN OIL FIELD, NORTHWESTERN WEST VIRGINIA

open access: green, 2001
S. Ameri   +6 more
openalex   +2 more sources

A NEW SPECIES OF THE DEVONIAN ACTINOPTERYGIAN FISH MOYTHOMASIA FROM BELARUS

open access: yesRivista Italiana di Paleontologia e Stratigrafia
A new species of early actinopterygian fishes, Moythomasia lebedevi sp. nov., is described based on numerous isolated scales occurring in Middle Devonian (Givetian, Polotskian Regional Stage) marine deposits (Goryn, Stolin and Moroch Beds) of Belarus ...
DMITRY PLAX   +2 more
doaj   +1 more source

The Geologic Features of the Occurrence of Copper in North America [PDF]

open access: yes, 1933
Copper is of such widespread natural occurrence in North America and there are so few metal-mining districts that have not contributed to its production that it is obviously necessary in any brief general treatment of the geology of the copper deposits ...
Ransome, F. L.
core  

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