Results 61 to 70 of about 290,427 (353)

Ore horizons, ore facies, mineralogy and geochemistry of volconogenic massive sulfide (VMS) deposits of the Varandan Ba-Pb-Cu deposit, southwest of Qamsar - Iran

open access: yesJournal of Economic Geology, 2017
Introduction The Varandan Ba-Pb-Cu deposits are located15 km southwest of the town of Qamsar and approximately 7 km south west of the Qazaan village, in the Urumieh- Dokhtar magmatic arc.
Fayeq Hashemi   +2 more
doaj   +1 more source

Critical Electrochemistry Technologies Applicable in Space Exploration

open access: yesAdvanced Science, EarlyView.
The available resources in space and discuss the application scenarios and challenges of electrochemical methods in four critical domains is analyzed: metallurgical processing of mineral resources, water resources utilization, carbon cycle management in extraterrestrial habitats, and electrical energy storage.
Ruisi Xu   +4 more
wiley   +1 more source

Minerals in Afghanistan : the potential for copper [PDF]

open access: yes, 2006
There are around 300 documented copper deposits, occurrences and showings in Afghanistan as shown in Figure 1. A variety of styles of copper mineralisation occur in rocks ranging in age from Proterozoic to Neogene.
Benham, Antony John, Coats, Stan
core  

Subgenome Partitioning and Polyploid Genome Evolution in the Loach Family Botiidae (Order Cypriniformes)

open access: yesAdvanced Science, EarlyView.
This study investigates subgenome evolution and polyploidy in Cypriniformes fish, revealing complex phylogenetic relationships and genomic dynamics. By applying advanced subgenome partitioning methods, it uncovers novel insights into transposon activity and gene fractionation.
Yunyun Lv   +14 more
wiley   +1 more source

A forefront correction of the driving work ceiling area in the Novaky mine conditions [PDF]

open access: yesActa Montanistica Slovaca, 2006
Underground working are unthinkable interface with rocks environs in which are they situated. The age, origin and the rocks type, which are generating a rock massif markedly influence the course and safeness of mining works.
Tibor Sasvári   +2 more
doaj  

Indicadores da presença de conteúdos de História e Filosofia da Ciência em livro de texto de Geologia Introdutória Indicators of occurrences for content of History and Philosophy of Science in textbook of Introductory Geology

open access: yesCiência & Educação, 2005
A literatura de ensino de Ciências e de Geologia assinala a importância de integrar aspectos históricos e filosóficos ao processo educacional (HPS). Denominamos isso de abordagem metodológica para ensino de ciências (MAS). De outro lado, vários trabalhos
Pedro Wagner Gonçalves
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  

El volcanismo jurásico superior de la Formación Río Damas-Tordillo (33°-35,5°S): antecedentes su sobre petrogénesis, cronología, proveniencia e implicancias tectónicas [PDF]

open access: yes, 2014
Los depósitos continentales y volcánicos de la Formación Rio Damas-Tordillo, Jurásico Superior, representan un período restringido de sedimentación continental dentro del registro mayormente marino de la Cuenca Neuquina.
Calderón, Sergio   +7 more
core   +2 more sources

Bioinspired Prolactin Pulse Release from Responsive Microneedles for Inhibiting Fatty Liver Formation

open access: yesAdvanced Science, EarlyView.
Inspired by the prolactin secretion profile under normal physiological conditions, biomimetic prolactin‐releasing microneedles are designed. Under the control of near infrared (NIR), these responsive microneedles facilitate pulsed release of prolactin to inhibit fatty liver formation.
Hongli Yin   +6 more
wiley   +1 more source

Satellite-derived foresummer drought sensitivity of plant productivity in Rocky Mountain headwater catchments: spatial heterogeneity and geological-geomorphological control

open access: yesEnvironmental Research Letters, 2020
Long-term plot-scale studies have found water limitation to be a key factor driving ecosystem productivity in the Rocky Mountains. Specifically, the intensity of early summer (the ‘foresummer’ period from May to June) drought conditions appears to impose
Haruko M Wainwright   +13 more
doaj   +1 more source

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