[图书][B] Artifacts and Microartifacts in Anthropogenic Soils
J Howard, J Howard - 2017 - Springer
Artifacts are objects> 2 mm, whereas microartifacts are 0.25–2.0 mm, in size that were
produced, modified, or transported from their source, by human activity. Artifacts are typically …
produced, modified, or transported from their source, by human activity. Artifacts are typically …
Notes on the potential for the concentration of rare earth elements and yttrium in coal combustion fly ash
Certain Central Appalachian coals, most notably the Fire Clay coal with a REY-enriched
volcanic ash fall tonstein, are known to be enriched in rare earth elements. The Fire Clay …
volcanic ash fall tonstein, are known to be enriched in rare earth elements. The Fire Clay …
Petrology, palynology, and geochemistry of gray hawk coal (early Pennsylvanian, Langsettian) in eastern Kentucky, USA
This study presents recently collected data examining the organic petrology, palynology,
mineralogy and geochemistry of the Gray Hawk coal bed. From the Early Pennsylvanian …
mineralogy and geochemistry of the Gray Hawk coal bed. From the Early Pennsylvanian …
Fractal characteristics of coal pores based on classic geometry and thermodynamics models
To better understand the characteristics of coal pores and their influence on coal reservoirs,
coal pores in eight main coalfields of North China were analyzed by mercury porosimetry …
coal pores in eight main coalfields of North China were analyzed by mercury porosimetry …
Organic and Inorganic Geochemistry of Upper Paleozoic Marine-to-Continental Transitional Shales and the Implications for Organic Matter Enrichment, Ordos Basin …
Natural gas has been produced from tight sandstones and coal seams from the
Pennsylvanian Benxi and Taiyuan and the Cisuralian (Permian) Shanxi formations in the …
Pennsylvanian Benxi and Taiyuan and the Cisuralian (Permian) Shanxi formations in the …
Source rock quality variations of Upper Jurassic–lowermost Cretaceous marine shales and their relationship to oils in the Valdemar Field, Danish North Sea
L Ponsaing, HI Petersen… - Journal of Petroleum …, 2020 - Wiley Online Library
The main source rocks for the hydrocarbons at the Valdemar field (Danish North Sea) are
the Upper Jurassic–lowermost Cretaceous organic‐rich marine shales of the Farsund …
the Upper Jurassic–lowermost Cretaceous organic‐rich marine shales of the Farsund …
Investigation on the methane adsorption capacity in coals: Considerations from nanopores by multifractal analysis
Methane adsorption properties of coal are essential for coalbed methane (CBM) extraction
and clean energy utilization. However, the effect of nanopores on CH4 adsorption in high …
and clean energy utilization. However, the effect of nanopores on CH4 adsorption in high …
Fires in the mire: Repeated fire events in Early Permian 'peat forming'vegetation of India
Macro‐charcoal, as direct evidence of palaeo‐wildfires, is a common constituent throughout
an Early Permian (Cisuralian) inertinite‐rich coal seam from the Dhanpuri Coal Mine …
an Early Permian (Cisuralian) inertinite‐rich coal seam from the Dhanpuri Coal Mine …
Coal petrology, sedimentology and depositional environment of the Parvadeh coals in the Upper Triassic, Tabas Block of Central-East Iran
Z Zamani, H Rahimpour-Bonab, R Littke - International Journal of Coal …, 2023 - Springer
Peat forming environment strongly influences the economic value of any coal seam and coal-
bearing strata. Hence, palaeoenvironmental studies provide important information for coal …
bearing strata. Hence, palaeoenvironmental studies provide important information for coal …
Lithium Enrichment in the No. 21 Coal of the Hebi No. 6 Mine, Anhe Coalfield, Henan Province, China
Lithium (Li) is an important strategic resource, and with the increasing demand for Li, there
are some limitations in the exploitation and utilization of conventional deposits such as the …
are some limitations in the exploitation and utilization of conventional deposits such as the …