Results 51 to 60 of about 516 (108)

BUREAU OF MINES [PDF]

open access: yes
adminjstered land designated as Mil derness Study Areas "... to determine the mineral values, if any, that may be present.... " Resul ts must be made available to the public and be submitted to the President and the Congress.
Edward L. Mchugh
core  

Hill of Banchory Geothermal Energy Project Feasibility Study Report [PDF]

open access: yes, 2016
This feasibility study explored the potential for a deep geothermal heat project at Hill of Banchory, Aberdeenshire. The geology of the Hill of Fare, to the north of Banchory, gives cause to believe it has good geothermal potential, while the Hill of ...
Feliks, Michael   +11 more
core  

Mineral paragenesis and ore fluids at the Turquoise Ridge gold deposit, Nevada

open access: yes, 1999
In this study, mineral assemblages and related fluid inclusions at the Turquoise Ridge Carlin-type gold deposit were examined to answer the following questions: (1) What is the ore-stage mineral paragenesis? (2) At what pressures and temperatures did the
Shigehiro, Michiko
core   +1 more source

An Analysis of Lithic Materials and Morphology from the Late Maritime Woodland and Protohistoric Periods at the Devil’s Head site in the Maine Quoddy Region [PDF]

open access: yes, 2016
Archaeologists have reached different conclusions about hunter-gatherer settlement-subsistence strategies during the Maritime Woodland period (3150-550BP) in Maine and New Brunswick’s Quoddy Region.
Shaw, Chris E
core   +1 more source

Data Report: Petrography and Geochemistry of Jasperoids from Site 1189, Ocean Drilling Program Leg 193

open access: yes, 2006
Bright red "jasperoids" were recovered at three positions during Leg 193 drilling below Roman Ruins (Site 1189) in the PACMANUS hydrothermal field. These do not represent fossil exhalative oxide deposits equivalent to those associated with sulfide chimneys at the Roman Ruins seafloor.
openaire   +1 more source

Fluid inclusion geothermometry of Tri-State sphalerite [PDF]

open access: yes, 1975
Fluid inclusions in successively deposited generations of sphalerite from the Tri-State district have been examined for geothermometry as a function of time.
Wei, Chi-Sheng
core   +1 more source

Sulfide-, fluorite-, barite-bearing siliceous "crusts" related to unconformity surfaces of different ages in Pyrenees and Alps: a new model in carbonate-hosted deposits? [PDF]

open access: yes, 1995
Wumerous stratabound sulfide-, barite-, fluonte-bearing siliceous crusts, from dm to some tens of in thick, occur over large areas of the Alpine belt, ;.e. the Alps and the Pyrenees. They are linked to unconformlty landscapes evolved on various carbonate
BRIGO, L.   +5 more
core   +1 more source

Analytical results and sample locality map of jasperoid samples from Mackay, Idaho [PDF]

open access: yesOpen-File Report, 1988
Sandra J. Soulliere   +3 more
openaire   +1 more source

Mapeo litológico y mineralógico del batolito devónico Cerro Áspero, usando imágenes ASTER, Sierras Pampeanas Orientales, Argentina [PDF]

open access: yes, 2017
En este trabajo se presentan los resultados obtenidos utilizando técnicas de procesamiento de imágenes Aster para asistir al mapeo litológico y mineralógico de grandes cuerpos graníticos y de la alteración hidrotermal asociada al batolito Cerro Áspero ...
Campanella, Osvaldo Hector   +7 more
core  

Travertinos y jasperoides de Manantial Espejo, un ambiente Hot Spring Jurásico: Macizo del Deseado, Provincia de Santa Cruz, Argentina

open access: yesLatin American Journal of Sedimentology and Basin Analysis, 2021
En este trabajo se analiza el origen y las relaciones entre travertinos y jasperoides intercalados en rocas volcaniclásticas jurásicas en el distrito argento-aurífero Manantial Espejo, ubicado en el borde sur-occidental del Macizo del Deseado, provincia de Santa Cruz, Argentina.
openaire   +3 more sources

Home - About - Disclaimer - Privacy