搜索结果: 1-12 共查到“矿床学与矿相学 Ti”相关记录12条 . 查询时间(0.14 秒)
李家砭Ti-Fe矿床位于南秦岭山阳-柞水矿集区内南侧山阳-凤镇构造混杂带内，主要表现为钛磁铁矿和钛铁矿化，含矿围岩为堆晶辉长岩。矿物组合特征及结构分析表明，该矿床为典型的岩浆分异型矿床。矿物成分和岩石地球化学分析结果共同表明李家砭杂岩体具有岛弧钙碱性和大洋板内玄武岩双重岩浆性质。辉长岩SHRIMP锆石U-Pb测年结果表明，李家砭辉长岩和Ti-Fe矿床形成于621±6Ma，其中所含有的继承性锆石来自...
Magma Interaction Processes Inferred from Fe-Ti Oxide Compositions in the Dölek and Sarıçiçek Plutons, Eastern Turkey
Dö lek and Sarı ç iç ek plutons Eastern Turkey magma interaction magnetite-ilmenite thermometry/oxygen barometry
2009/7/7
Magnetite-ulvöspinel and ilmenite-hematite solid solution intergrowths from the high-K calc-alkaline Dölek and Sarıçiçek plutons, Eastern Turkey, were investigated using m...
河北大庙Fe-Ti-P矿床中铁钛磷灰岩的成因: 来自磷灰石的证据
膨润土是当今应用范围较广和经济价值较高的粘土矿物之一，被称为“千种用途土”，广泛地应用于冶金，化工，农业，建筑，环保等多种领域。随着膨润土使用范围日益扩大，加上深层次的应用的需求，对膨润土纯度以及各项物性性能的要求也愈来愈高。 本文选择三种不同产地的钙基膨润土(A样，B样和C样)为研究对象，通过加入合适的分散剂，并控制适宜的工艺条件，成功的制备出了性能优良的蒙脱石基质材料，为下一步含Ti蒙脱石纳米...
Ti-Bearing Phases in the Huber Formation, an East Georgia Kaolin Deposit
Anatase Georgia Huber Formation Kaolinite Rutile TiO2 Titanium X-ray Diffraction
2011/12/5
Abstract: Six kaolin samples from the Lower Tertiary Huber Formation near Wrens, Georgia were analyzed using transmission electron microscopy (TEM), electron diffraction (ED), powder X-ray diffraction...
Effect of isovalent Si, Ti substitution on the bulk moduli of Ca(Ti1-xSix) SiO5 titanites
Si Ti bulk modulus
2012/3/30
Theequationsofstateof A2/a titanitephasesofCaTiSiO ,Ca(Ti Si )SiO ,andCaSi O5 0.5 0.5 5 2 5
havebeendeterminedfromhigh-pressureX-raydiffractionmeasurements.Theisothermal
bulkmoduliare K 131.4(7)GPa(...
Experimental phase-equilibrium study of Al- and Ti-contents of calcic amphibole in MORB--A semiquantitative thermobarometer
Experimental phase-equilibrium Al- and Ti-contents calcic amphibole MORB--A semiquantitative thermobarometer
2012/4/1
Calcic amphiboles were synthesized from a natural mid-ocean ridge basalt (MORB) in 39 experiments representing 24 sets of pressure-temperature ( P -T ) conditions ranging from 650?50 8C, 0.8?.2 GPa, a...
Dessauite, (Sr,Pb)(Y,U)(Ti,Fe3+)20O38, a new mineral of the crichtonite group from Buca della Vena mine, Tuscany, Italy
Dessauite Sr,Pb Ti Fe3+ 20O38 new mineral crichtonite group Buca della Vena mine Tuscany Italy
2012/4/5
Dessauite,anewmineralinthecrichtonitegroup,occurswithincavitiesincalciteveinsastabular{001}rhombohedral,black,millimeter-sizedcrystalsatBucadellaVenaMine,
ApuanAlps(Tuscany,Italy).Itisassociatedwithd...
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...
Coordination of Ti4+ in silicate glasses: A high-resolution XANES spectroscopy study at the Ti K edge
Coordination of Ti4+ silicate glasses high-resolution XANES spectroscopy study Ti K edge
2012/4/1
The coordination environment of Ti in eight Ti-bearing glasses of the Na Si-Na,Ti
y4 ;:join (NTS) and in six ATY2 glasses (A20Ti02.2Y02, with A =Na, K, ~r Rb andSi or Ge) was determined using high-re...
Short-range disorder of Si and Ti in the tetrahedral double-chain unit of synthetic Ti-bearing potassium-richterite
Short-range disorder Si Ti double-chain unit of synthetic Ti-bearing potassium-richterite
2012/4/5
Ti-rich potassium-richterite samples weresynthesized at 900°C and 1kbar PH20and characterized by Fourier-transform infrared spectroscopy (FTIR) and Rietveld structure refinement. The infrared spectrum...
Spectroscopic Approach for Investigating the Status and Mobility of Ti in Kaolinitic Materials
Diffuse reflectance spectroscopy Kaolins Ti-mobility Ti-status
2011/12/28
The form under which Ti occurs in kaolinitic materials from various environments has been investigated using second derivative diffuse reflectance spectroscopy. The position of the absorption edge may...