Results 31 to 40 of about 129,192 (247)

Origins of the Pangkaimen Au Deposit in the Northern Great Xing'an Range, China: Evidence From Geochronological, Geochemical, Fluid Inclusion, and H–O–S–Pb Isotope Data

open access: yesGeological Journal, EarlyView.
The Pangkaimen Au–Ag deposits belong to the epithermal Au deposits, which are of great significance for guiding the research and development of this type of gold deposit. Metallogenic model diagram of Pangkaimen Au–Ag deposit. ABSTRACT The gold (Au) metallogenic belt in the northern Great Xing'an Range is characterised by the wide occurrence of the ...
Sheng Lu   +8 more
wiley   +1 more source

The Changing Character of Carbon in Fluids with Pressure

open access: yesGeophysical Monograph Series, Page 259-269., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Dimitri Sverjensky   +2 more
wiley  

+1 more source

Caracterização e gênese do caráter coeso em latossolos amarelos e argissolos dos tabuleiros costeiros do estado de Alagoas Characterization and genesis of cohesive horizons in oxisols and ultisols of the coastal tablelands of Alagoas State, Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2009
O caráter coeso é um atributo característico de horizontes subsuperficiais de solos que apresentam consistência muito dura a extremamente dura, quando secos, passando a friável ou firme, quando umedecidos.
José de Almeida Lima Neto   +5 more
doaj   +1 more source

Cryostratigraphy of Rhythmic Segregated Ice in Colluvium and Implications for Permafrost Slope Stability

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT The amount and stratigraphic setting of ground ice in permafrost slopes is a key control on the style and magnitude of permafrost mass wasting. Understanding the spatial and stratigraphic variations in ground ice distribution on permafrost slopes is therefore a fundamental property in assessing the stability of permafrost hillslopes.
Joseph M. Young   +2 more
wiley   +1 more source

The Characteristic and Genesis of Volcanic Ash Soil in the North Slope Toposequence of Kawi Mountain in Malang Regency [PDF]

open access: yesJournal of Degraded and Mining Lands Management, 2015
The volcanic ash soil in Kawi Mountain is composed by the amorphous materials consist of allophane, imogolite and ferrihydrite. Results of previous study showed that the phosphate retention in all soil profiles of northern slope toposequence of ...
A.N. Putra, Sudarto, M. L. Rayes
doaj   +1 more source

Categorizing basic factors driving soil genesis, pedovariability and plant assemblages in Mediterranean Temporary Wetlands (TWs) [PDF]

open access: yes, 2012
A research was carried out in six Temporary Wetlands (TWs), located in north-western Sardinia (Italy), with the aim to categorize the basic factors driving and linking soil genesis and plant assemblages in Mediterranean ...
Bagella, Simonetta   +5 more
core  

Bio-Fertilizers via Co-Digestion: a Review [PDF]

open access: yes, 2019
In diversifying the economies of most oil producing countries especially in regions with arable lands, Agriculture becomes the next choice aside mineral deposits.
Abdulkarim, Abdulwadud Yusuf   +3 more
core   +2 more sources

The role of soil moisture in the inland penetration of Indian monsoon low‐pressure systems

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
We use the Advanced Weather Research and Forecasting model to examine the role of soil moisture in the inland penetration of Indian monsoon low‐pressure systems (LPSs). We find that LPSs penetrate deeply into India despite a dry land surface; however, their inland penetration is adversely affected when there is a reduction in the total surface heat ...
Akshay Deoras   +2 more
wiley   +1 more source

Unravelling upbuilding pedogenesis in tephra and loess sequences in New Zealand using tephrochronology [PDF]

open access: yes, 2010
The genesis of soils developed in either tephra or loess on stable sites differs markedly from that of soils developed on rock because classical topdown processes operate in conjuction with geological processes whereby material is added to the land ...
Lowe, David J., Tonkin, Philip J.
core   +1 more source

The Measurement‐Impact Gap: A Bibliometric Diagnosis of Development Finance Institutions and SDG Research

open access: yesSustainable Development, EarlyView.
ABSTRACT The role of Development Finance Institutions (DFIs) in achieving the Sustainable Development Goals (SDGs) is a topic of growing scholarly importance. While existing literature has mapped the thematic scope of this field, a critical diagnosis of its intellectual structure and inherent biases is missing.
Juan Martinez Alvarez   +3 more
wiley   +1 more source

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