搜索结果: 1-15 共查到“知识库 地质学 Relationship”相关记录28条 . 查询时间(0.062 秒)
Relationship between CAIs and chondrules: A case study of a compound chondrule from the Allende (CV3) meteorite
chondrule calcium-aluminium rich inclusion CV chondrite oxygen isotopes silicon isotopes
2017/4/10
We report the mineralogy, petrology, major, minor and trace element geochemistry, O and Si isotopes of a complex
compound chondrule from the Allende meteorite. The chondrule contains zones of refract...
Simple relationship between 26Al production rate and major elemental composition of meteorite samples
production rate 26Al terrestrial age howardite eucrite
2017/4/11
Estimation of 26Al (half-life = 705 kyr) content at the time of meteorite fall is required to calculate the terrestrial age
of meteorites using the 26Al content. Previous studies (e.g., Cressy, 1971;...
The Relationship between the Biodiversity Conservation and the Traditional Beliefs of the Native People in Dalai Lake Biosphere Reserve
Biodiversity Conservation Dalai Lake Biosphere Reserve Traditional Belief
2011/12/14
With the development of the economy, the positive influences of traditional beliefs on the biodiversity conservation have been ignoring and the traditional beliefs have been meeting the serious challe...
Relationship Between Soil Potassium Forms and Mineralogy in Highly Calcareous Soils of Southern Iran
Arid Illite Calcium carbonate Exchangeable K HNO -extractable K
2011/11/11
Thirty seven soil samples collected from arid and semiarid regions of southern Iran were studied to determine the different forms of potassium and their relation with clay mineralogy and other soil pr...
Spatial relationship between δ15N and elevation in agricultural landscapes
Spatial relationship δ15N elevation agricultural landscapes
2009/10/30
Understanding of the nitrogen (N) cycle and its spatial variability is important for managing ecosystems. Soil δ15N, as an important indicator of different soil nitrogen cycling processes, may provide...
The Relationship Between Geology and Landslide Hazards of Atchison,Kansas,and Vicinity
Relationship Geology Landslide Hazards
2009/10/20
Landslides along the Missouri and Kansas rivers will affect existing structures and potential development in the Kansas City metropolitan area. A pilot landslide-mapping project was conducted in the v...
Relationship between geological structure and helium isotopes in deep groundwater from the Osaka Basin: Application to deep groundwater hydrology
helium isotopes noble gas groundwater hydrology Osaka basin
2017/8/10
The relationship between geological structure and helium isotopes is discussed for deep groundwaters from the Osaka sedimentary basin, southwest Japan, to understand dissolved He in groundwater for hy...
Relationship between nanostructure and optical absorption in fibrous pink opals from Mexico and Peru
opal optical absorption nanostructure Raman palygorskite TEM
2011/11/11
Translucent pink opals from Mexico (states of Mapimi and Michoacan) and Peru (Acari area, near Arequipa) are opal-
CT, containing from 10 to 40 % palygorskite, as demonstrated by XRD, infrared absorp...
The Relationship between the Thermal Behavior of Clinoptilolite and Its Chemical Composition
Chemical Composition Clinoptilolite 020 Diffraction Peak Electron Microprobe Analysis Greece Santorini Zeolites
2011/12/5
Abstract: The matrix of the Pliocene volcaniclastics from the Akrotiri area of the Santorini island (Greece) is dominated by clinoptilolite. Smectite, occasionally illite-smectite, opal-CT, cristobali...
Relationship Between Cation Exchange Selectivity and Crystalline Swelling in Expanding 2:1 Phyllosilicates
Cation Exchange Selectivity Crystalline Swelling Demixing Fixation Ion Exchange Hysteresis Layer Charge Smectite
2011/12/22
Abstract: A theoretical model describing the interaction between crystalline swelling and cation exchange selectivity is proposed for expanding 2:1 phyllosilicates. The model is based on the assumptio...
Textural Transition and Genetic Relationship between Precursor Stevensite and Sepiolite in Lacustrine Sediments (Jbel Rhassoul, Morocco)
Jbel Rhassoul Sepiolite Stevensite Textural Transition Thermodynamic Calculation
2011/12/22
Abstract: In the Tertiary lacustrine sediments of the Jbel Rhassoul (Morocco), stevensite and sepiolite, confined to the dolomitic facies, are commonly mixed at lower parts of the so-called “Formation...
Laurelite: Its crystal structure and relationship to α-PbF2
Laurelite structure relationship α-PbF2
2012/4/9
Laurelite, Pb7F12CI2,from the Grand Reefmine, Graham County, Arizona, is hexagonal, Po,witha = 10.267(1) and c = 3.9844(4) Aand Z= 1.The crystal structure wassolved bydirect methods and refined to R =...
The crystal structure of namuwite, a mineral with ZN in tetrahedral octahedral coordination, and its relationship to the synthetic basic zinc sulfates
The crystal structure of namuwite ZN coordination relationship synthetic basic zinc sulfates
2012/4/5
The crystal structure of namuwite, (Zn,Cu)4S04(OHk4H20, trigonal, a = 8.331(6), C = 10.54(1) A,V=634(1) A3,Pj, Z = 2, has been solved by direct methods and refined to an R index of 7.9% using MoKa X-r...
Structural relationship between pyrite and marcasite
Structural relationship pyrite marcasite
2012/4/5
Westudied pyrite spherules built of radiating crystals to establish the relationships among microstructure, composition, and macroscopic appearance. Results of high-reso-lution transmission electron m...
Dispersion relations of acoustic phonons in pyrope garnet: Relationship between vibrational properties and elastic constants
Dispersion relations acoustic phonons pyrope garnet Relationship properties elastic constants
2012/4/5
Coherent inelastic neutron scattering measurements have been performed on a natural garnet pyrope from the Dora Maira Massif, Italian Western Alps, [(M&.92Feo.osCao.o3)3Al2Si3012, space group Ia'Jd, Z...