搜索结果: 1-15 共查到“矿床学与矿相学 Occurrence”相关记录25条 . 查询时间(0.349 秒)
Physical Features and Occurrence of Beneficial Bacteria in Edible Clays from Vhembe District, South Africa
Physical Features Occurrence Beneficial Bacteria Edible Clays Vhembe District
2012/3/14
Physical Features and Occurrence of Beneficial Bacteria in Edible Clays from Vhembe District, South Africa.
Occurrence, genesis and environmental significance of schwertmannite in re-flooded Acid Sulfate Soils in the Lower Murray Reclaimed Irrigation Area
genesis environmental significance schwertmannite re-flooded Acid Sulfate Soils the Lower Murray Reclaimed Irrigation Area
2012/3/30
The Lower Murray Reclaimed Irrigation Area (LMRIA) comprises approximately 5,000ha of flood-irrigated agricultural land located on the floodplain of the River Murray between Mannum and Lake Alexandrin...
Palygorskite Occurrence in Central Iranian Aridisols and Sediments
Palygorskite Aridisols Central Iran Tethys Sea Clay Minerals
2011/11/7
Palygorskite Occurrence in Central Iranian Aridisols and Sediments.
THE OCCURRENCE OF PALYGORSKITE IN THE YUCATAN PENINSULA: E THNO-HISTORIC AND ARCHAEOLOGICAL CONTEXTS
PALYGORSKITE YUCATAN MAYA CULTIJRE MAYA BLUE
2011/11/4
Palygorskite is a rare clay mineral used by the ancient Mayas for fabricating the Maya blue pigment and for other purposes.]! seems to have been obtained from a restricted area in the Yucatan peninsul...
Influences to Forest Fire Occurrence of Climate Change: A Study in Ta He Forestry Bureau in Great Xing’an Mountain
Climate Change Forest Fire Great Xing’an Mountain Julian Date Ta He
2011/12/16
Forest fire is one of the most important ecological factors in the forest ecosystem. The Daxinanling forest region has not only the largest forest areas, but also the biggest forest fire burned area i...
Effects to Forest Fire Occurrence of Climate Change in Ta He Forestry Bureau in Great Xing’an Mountain
Climate Change Forest Fire Great Xing’an Mountain Julian Date Ta He
2011/12/16
Forest fire is one of the most important ecological factors in the forest ecosystem. The Great Xing’an Mountain region has not only the largest forest areas, but also the biggest forest fire burned ar...
First Occurrence of a Stacking Sequence including (?0? 180? Rotations in Mg-Rich Annite
Annite Biotite HRTEM Mica Polytype-2O Polytypism Stacking Disorder
2011/12/8
Abstract: Transmission electron microscopy (TEM) observation shows narrow regions in a Ti-containing Mg-rich annite of composition (K0.90Na0.02)(Mg0.72Fe2+1.78Mn0.03Ti0.27Al0.05)(Si2.77Al1.23)O10(OH,F...
Occurrence of Clinoptilolite and Mordenite in Tertiary Calc-Alkaline Pyroclastites from Sardinia (Italy)
Clinoptilolite Fluid/Rock Interaction Mordenite Opal-CT Tertiary Pyroclastic Flows
2011/12/7
Abstract: Clinoptilolite and mordenite occur as diagenetic products of medium-grained, moderately welded and poorly sorted pyroclastic flows belonging to the Tertiary calc-alkaline volcanism of Sardin...
Clay Mineralogy and Occurrence of Ferrian Smectites between Serpentinite Saprolites and Basalts in Biga Peninsula, Northwest Turkey
Alteration Basalt Beidellite Ferric Iron Mica Schist Montmorillonite Serpentinite Turkey
2011/12/7
Abstract: The clay mineralogy of an oxisol-saprolite overlying serpentinite and underlying basalt was studied with different techniques to evaluate the clay mineral transformation that occurred and to...
Gordaite [Zn4Na(OH)6(SO4)Cl6H2O]: Second occurrence in the Juan de Fuca Ridge, and new data
Gordaite [Zn4Na(OH)6(SO4)Cl6H2O] Second occurrence Juan de Fuca Ridge
2012/4/1
A hydrous zinc- and sodium-rich hydroxy-chlorosulfate, discovered in a sulfide sample collected by the Deep Sea Recovery Vehicle (DSRV) Alvin in 1984, is identified as gor-daite, Zn4Na(OH)6SO4Cl·6H2O,...
Fivefold-coordinated Ti4+ in metamict zirconolite and titanite: A new occurrence shown by Ti K-edge XANES spectroscopy
Fivefold-coordinated Ti4+ metamict zirconolite titanite new occurrence shown Ti K-edge XANES spectroscopy
2012/4/1
The coordination environments of Ti in two fully metamict zirconolite samples and two
partially metamict titanite samples were determined using high-resolution, X-ray absorp-
tion near-edge structur...
The Natural Occurrence of Eta-Alumina (兣-Al2O3) in Bauxite
Akdalaite Bauxite Chi-alumina Eta-alumina Gamma-alumina Pisoliths Poorly-diffracting material Tohdite
2011/12/27
Approximately 20 wt.% of the bauxite from Andoom in northern Queensland, Australia is composed of material that cannot be accounted for by identifiable well-crystallized phases. This poorly- diffracti...
Geology, Occurrence, and Genesis of Eski篹hir Sepiolites, Turkey
Environment Lacustrine Magnesite Sepiolite Turkey
2011/12/1
Abstract: The occurrences of sepiolite beds and nodules in alkaline and saline Miocene Eski篹hir lake deposits provide unique examples of ancient lacustrine environments. Stockwork-type magnesite depos...
AN EXAMPLE TO SEPIOLITE FORMATION IN VOLCANIC BELTS BY HYDROTHERMAL ALTERATION: KIBRISCIK (BOLU) SEPIOLITE OCCURRENCE
Geological mineralogical sepiolite occurrence
2011/11/8
Geological, mineralogical and chemical properties of a sepiolite occurrence, located in the south of K齜r齭c齥 township of Bolu Province, northcentral Turkey, have been investigated in detail, and new mi...
Occurrence and Palaeohydrological Significance of Authigenic Kaolinite in the Aldebaran Sandstone, Denison Trough, Queensland, Australia
Aquifer Diagenesis Kaolinite Petrography Secondary porosity Stable isotope analysis
2011/12/30
Thin section, XRD, SEM, and isotopic techniques have been used to study authigenic kaolinite occurring in reservoir sandstones of the Lower Permian Aldebaran Sandstone. Where the unit is no longer an ...