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Carcharopsis prototypus and the adaptations of single crystallite enameloid in cutting dentitions
Carcharopsis Priohybodus Thaiodus Carboniferous Enameloid ultrastructure
2009/10/20
Carcharopsis is a Palaeozoic shark comprising an enameloid-covered cutting dentition comprising serrated teeth.The enameloid ultrastructure of the teeth of C. prototypus is examined for the first time...
Single-grain detrital muscovite Rb-Sr isotopic composition as an indicator of provenance for the Carboniferous sedimentary rocks in northern Dabie, China
Dabie detrital muscovite provenance single-grain Rb-Sr dating
2017/8/9
Low-grade metamorphic Paleozoic sedimentary rocks are exposed along the northern margin of the Qinling-Dabie orogenic belt that formed by the collision of the North and South China blocks during the E...
Single grain Rb-Sr isotopic analysis of GA-1550 biotite, LP-6 biotite and Bern-4M muscovite 40Ar-39Ar dating standards
Rb-Sr isotopic systematics standard mica GA-1550 biotite LP-6 biotite Bern-4M muscovite
2017/8/10
Three standard minerals GA-1550 biotite, LP-6 biotite and Bern-4M muscovite used for K-Ar and 40Ar-39Ar dating have been investigated by the single grain Rb-Sr technique. Compared to the K-Ar and 40Ar...
Real time volcano activity mapping system using ground based single digital camera
Disaster Mitigation Volcano Monitoring Real time Mapping
2015/3/9
Mapping of volcanic activities or events during eruptions such as lava flow, pyroclastic flow,
mudflow and etc. at real time basis is very important to monitor and predict movement of these
events...
Refinement of the Kaolinite Structure from Single-Crystal Synchrotron Data
Crystal Structure Diffuse Scattering H-Positions Kaolinite Microcrystal Single Crystal Refinement Synchrotron Radiation
2011/12/7
Abstract: The crystal structure of single crystals of kaolinite from Keokuk, Iowa, was refined using data measured at the microfocus X-ray beamline at the ESRE Grenoble, France (λ = 0.6883, T = room t...
Aliphatic hydrocarbons in structural channels of cordierite: A first evidence from polarized single-crystal IR-absorption spectroscopy
Aliphatic hydrocarbons channels of cordierite single-crystal IR-absorption spectroscopy
2012/3/31
Polarized IR-absorption spectra were measured on inclusion-free spots, 50 ?m in diameter of
(100)-, (010)-, and (001)-oriented single-crystal plates of orthorhombic cordierites extracted from
anatec...
Partially dealuminated heulandite produced by acidic REECl3 solution: A chemical and single-crystal X-ray study
Partially dealuminated heulandite acidic REECl3solution:X-ray single-crysta
2012/3/31
Single crystals (0.1(R)C0.5 mm) of natural heulandite from Nasik (India) were treated in M NaCl
solution at 423 K for 12 weeks, yielding almost fully Na-exchanged heulandite (composition:
Ca K [Al ...
Single-crystal structure refinement of synthetic M4K-substituted potassic richterite K(KCa)Mg5Si8O22(OH)2
Single-crystal structure refinement M4 potassic richterite
2012/3/31
The crystal structure of a potassic richterite, K(KCa)Mg Si O (OH) synthesized at 15 GPa and
1400 ?C, was refined from single-crystal X-ray diffraction data. The unit-cell parameters are: a =
10.192...
The high-pressure, single-crystal elasticity of pyrope, grossular, and andradite
high-pressure single-crystal elasticity of pyrope grossular andradite
2012/3/30
High-pressureBrillouinscatteringexperimentswereconductedonthreenatural,single-
crystalgarnetswithnearend-membercompositions:pyrope(Mg
Al Si O ),grossular
Al Si O ),andandradite(Ca Fe Si O ).Acousti...
A new pyroxene structure observed at high pressure: Single-crystal X-ray and Raman study of Pbcn-P21cn phase transition in protopyroxene
Single-crystal X-ray high pressure phase transition
2012/3/30
Thecrystalstructureof(Mg Li Sc )Si O protopyroxenehasbeenstudiedwithsin-
1.54 0.23 0.23 2 6
le-crystalX-raydiffractionatpressuresto9.98GPaandRamanspectroscopyto10.4cn
GPa.A?rst-orderdisplacivephase...
Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30?H2O: A single-crystal X-ray and 29Si MAS NMR study
BaCa2Al6Si9O30?H2O single-crystal
2012/3/30
29The SiMASNMRspectrumofarmenitefromWasenalp(Valais,Switzerland)indicates
completeSi,Alordering.Thesamechemicalshifts(82.3,95.0,and101.8ppm)were
alsomeasuredforarmenitefromRe!migny(Quebec,Canada),ho...
Bacterial reduction of crystalline Fe3+ oxides in single phase suspensions and subsurface materials
Bacterial reduction crystalline Fe3+ oxides single phase suspensions subsurface materials
2012/4/1
Microbiologic reduction of synthetic and geologic Fe31 oxides associated with four Pleis-tocene-age, Atlantic coastal plain sediments was investigated using a dissimilatory Fe reducing bacterium ( She...
Formation of single-domain magnetite by a thermophilic bacterium
Formation single-domain magnetite bacterium
2012/4/1
Magnetite is a common product of bacterial iron reduction and may serve as a potential physical indicator of biological activity in geological settings. Here we report the formation of single-domain m...
Single-crystal IR spectroscopy of very strong hydrogen bonds in pectolite, NaCa2[Si3O8(OH)], and serandite, NaMn2[Si3O8(OH)]
Single-crystal IR spectroscopy hydrogen bonds NaCa2[Si3O8(OH)] NaMn2[Si3O8(OH)]
2012/3/31
Polarized infrared absorption spectra of thin, oriented single-crystal slabs of pectolite and serandite were recorded between 4000 and 350 cm 21 at 298 and 83 K. The spectra of both minerals show a br...
High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P21/m phase transition in cummingtonite
High-pressure single-crystal X-ray diffraction spectroscopic studies C2/m-P21/m phase transition cummingtonite
2012/3/31
The structural changes associated with the C 2/ m - P 21/ m phase transition in cumming-tonite with (Fe 1 Mn)/(Fe1 Mn1 Mg) ┆ 0.50 have been studied with single-crystal X-ray diffraction at various pre...