Results 31 to 40 of about 516 (108)

Mineral paragenesis and trace element distribution in the Tri-State zinc-lead district Missouri, Kansas, Oklahoma [PDF]

open access: yes, 1962
A review of the literature pertaining to the mineral paragenesis and trace element distribution in the Tri-State zinc-lead district of Missouri, Kansas, and Oklahoma revealed inconsistencies in observation and in interpretation and divergent hypotheses ...
Hagni, Richard D.
core   +1 more source

Critical elements in nonsulphide Zn deposits: A reanalysis of the Kabwe Zn-Pb ores (central Zambia) [PDF]

open access: yes, 2018
The Kabwe Zn-Pb deposit (central Zambia) consists of a cluster of mixed sulfide and non-sulfide orebodies. The sulfide ores comprise sphalerite, galena, pyrite, chalcopyrite and accessory Ge-sulfides (±Ga and In).
Boyce, A. J.   +5 more
core   +3 more sources

"Focused geologic mapping and structural analysis of the southern Eureka mining district; assessing structural controls and spatial patterns of mineralization" [PDF]

open access: yes, 2018
The Eureka Mining District is located in the northern part of the Fish Creek Range in east-central Nevada. In this study, 1:6,000-scale geologic mapping and structural analysis were performed in the southern part of the district in order to identify ...
Di Fiori, Russell V.
core   +1 more source

Jasperoide – guía posible en la exploración minera, Mesa Central, México

open access: yesRevista Mexicana de Ciencias Geológicas, 2019
Dentro de la evolución geológica del Altiplano Central de México, destaca una serie de cuerpos de jasperoide con alineación general de N franco a N20°E, asociados con intrusivos del Terciario, que se alojaron en las fracturas de cizallamiento causadas por la compresión laramídica… Para continuar, descargue el artículo completo en PDF.
Guillermo Labarthe-Hernández   +2 more
openaire   +1 more source

Simulation modeling and preliminary analysis of TIMS data from the Carlin area and the northern Grapevine Mountains, Nevada [PDF]

open access: yes
A theoretical radiance model was employed together with laboratory data on a suite of igneous rock to evaluate various algorithms for processing Thermal Infrared Multispectral Scanner (TIMS) data.
Hummer-Miller, Susanne   +2 more
core   +1 more source

Petroarchaeological and micropaleontologic classification of Finnish flinty materials: a critical review [PDF]

open access: yes, 1985
The applicability of various geomicroscopic methods on Finnish flinty materials has been tested. Especially microfossil composition, petrographic properties and surface textures provided diagnostic observations.
Taavitsainen, J.-P.
core   +1 more source

Lead, zinc and copper mineralisation in basal Carboniferous sediments at Westwater, south Scotland [PDF]

open access: yes, 1977
A zioneo f lead, zinc and copperm ineralisatioins developedo ver a minimum I of 4 km of strikeo f basal Carboniferoucse mentstoneg roup sedimentsa nd immediatelyu nderlyingB irrenswarkL avas atwestwater,n ear Laqholm in south Scotland.
Davies, A.   +5 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
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 ...
Horacio Echeveste
doaj  

Lithic Resource Survey of the Upper Little River Drainage: Raw Material Availability and Use at the Townsend Sites [PDF]

open access: yes, 2009
From 1999 to 2002, the Transportation Center at the University of Tennessee, Knoxville, conducted a number of archaeological investigations associated with the widening of State Route 73 (U.S. 321) through Townsend, Tennessee.
Sweat, Jeremy L.
core   +1 more source

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