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DARR models

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Structural <span class="search-highlight">models</span> of color electron-like and hole-like centers in fluorapat...
Published: 01 October 2005
F ig . 1. Structural models of color electron-like and hole-like centers in fluorapatite (after Segall et al. 1962 , Piper et al. 1965 , Warren 1972 ). The symbols “↑” and “darr;” represent trapped electrons; “h” represents a trapped hole.
Journal Article
Published: 27 February 2023
Seismological Research Letters (2023) 94 (3): 1536–1555.
... modeled as an SDOF oscillator, and the second both as SDOF and MDOF oscillators. The first one is situated in L’Aquila ( Picozzi et al. , 2011 ) and the second one in Thessaloniki ( Bindi et al. , 2015 ). The method, hereinafter referred to as Damage Assessment for Rapid Response (DARR), proposed...
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Journal Article
Journal: The Leading Edge
Published: 01 June 2013
The Leading Edge (2013) 32 (6): 680–690.
...Derecke Palmer Abstract Common-offset gathers (COG) have been usefully employed in the processing of seismic reflection data (Fulton and Darr, 1984). COG methods have also been employed to a lesser extent with the processing of seismic refraction data (Coppens, 1985), but their wider application...
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Journal Article
Published: 01 July 2021
American Mineralogist (2021) 106 (7): 1183–1185.
... . Carpenter , A.B. ( 1978 ) Origin and chemical evolution of brines in sedimentary basins . Oklahoma Geol. Survey Circular , 79 , 60 – 77 . Carpenter , A.B. ( 1980 ) The chemistry of dolomite formation: (1) The stability of dolomite. Concepts and models of dolomitization based...
FIGURES
Journal Article
Published: 01 January 2002
Exploration and Mining Geology (2002) 11 (1-4): 43–48.
... – Darrehzar; 5 – Sar Cheshmeh; 6 – Mei-duk; 7 – Gowde kolvary; 8 – Darre Zereshg; 9 – South of Ardestan; 10 – Sharif Abad; 11 – Songun (after Shahabpour, 1994 ). Previous studies have shown that elevated potassium in the sericite zone is often observed around the mineralization areas. In addition...
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Journal Article
Journal: Paleobiology
Published: 01 August 2021
Paleobiology (2021) 47 (3): 533–549.
... avascular tissue in which no further remodeling takes place (Gomez et al. 2013 ). Figure 1. Sampling strategy: A, an example of the sampling pattern (arrows) for a caribou skull and antler (specimen YG 361.52; bone sample removed from right occipital condyle); B, conceptual model of the timing...
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Journal Article
Journal: Elements
Published: 01 August 2022
Elements (2022) 18 (4): 221–225.
... ( Heath et al. 2015 ) and the overlying crust is the locus of the highest measured heat flux in the Cascades ( Keith and Bargar 1988 ; Blackwell et al. 1990 ). Figure 3. Resistivity model along a transect of the crust based on magnetotelluric data (model results courtesy of P. Bedrosian based...
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Journal Article
Journal: Geology
Published: 25 June 2020
Geology (2020) 48 (10): 1033–1037.
... and major-element data for minerals were collected by electron probe microanalysis. Crystal axis orientations for orthopyroxenes used for diffusion modeling were determined by electron backscatter diffraction (EBSD). See the Supplemental Material for details of analytical methods and supplementary data...
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Journal Article
Journal: Geology
Published: 05 January 2022
Geology (2022) 50 (3): 366–370.
... and durations priming magma reservoirs for eruptions. We use Fe-Mg diffusion modeling in orthopyroxene to show that the duration, frequency, and timing of pre-eruptive recharge at Popocatépetl volcano (Mexico) vary systematically with eruption style and magnitude. Effusive eruptions are preceded by 9–13 yr...
FIGURES
Journal Article
Published: 01 October 1989
Bulletin of the Seismological Society of America (1989) 79 (5): 1347–1360.
... displayed in MODELING OF TOPOGRAPHIC EFFECT AT PACOIMA DAM 1357 DAM-RIDGE DYNAMIC INTERACTION Darr~ 2 0 E -2 v -4 E~J Ridge .10 .00 o % 1.0 .0 -1.0 I , rI I 0 100 200 100 200 Time (msec) -2.0 o Time (reBec) 8 .08 .o .06 .04 .02 0 .00 I [ I T I I I II 10o 101 100 101 Frequency (Hz) Frequency (Hz) FIG. 9...
Journal Article
Published: 04 April 2024
Geological Magazine (2023) 160 (11): 1953–1974.
... agreement regarding their genetic models of ore formation. It is plausible that these deposits range from sedimentary exhalative (SEDEX) to Mississippi Valley-type (MVT) (Rajabi et al . 2012 , 2015 , 2020 ). The majority of these deposits are hosted in carbonates of Devonian to Cretaceous age (Ehya...
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Journal Article
Published: 01 October 2005
The Canadian Mineralogist (2005) 43 (5): 1581–1588.
...F ig . 1. Structural models of color electron-like and hole-like centers in fluorapatite (after Segall et al. 1962 , Piper et al. 1965 , Warren 1972 ). The symbols “↑” and “darr;” represent trapped electrons; “h” represents a trapped hole. ...
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Journal Article
Journal: Elements
Published: 01 August 2022
Elements (2022) 18 (4): 232–238.
...) . Also depicted are curves showing the estimated volumes of basalt required to produce the observed volcanic rocks, using a model of 100% fractionation and a mixture of crustal melting and crystal fractionation to produce the observed compositions. Grey boxes show the average volume of basalt required...
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Journal Article
Published: 01 April 2008
European Journal of Mineralogy (2008) 20 (2): 233–240.
... . Leckebusch , R. ( 1978 ): Chemical composition and colour of tourmalines from Darre Pech (Nuristan, Afghanistan) . N. Jb. Miner. Abh ., 133 , 53 – 70 . Manning , P.G. ( 1968 ): An optical absorption study of the origin of colour and pleochroism in pink and brown tourmalines . Can. Mineral...
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Journal Article
Published: 01 December 2023
American Mineralogist (2023) 108 (12): 2294–2307.
... decompression experiments have been performed to understand and model the crystallization processes; however, the effect of superheating (i.e., heating above the liquidus temperature for a definite period of time) before decompression has not been elucidated, despite the proposal of its importance in previous...
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Journal Article
Published: 12 October 2017
Journal of the Geological Society (2018) 175 (2): 352–360.
...; 3, Alpine front. Fig. 4. Inferred atmospheric circulation during the Late Ordovician (Sandbian and late Katian) including model simulations of atmospheric pressure after Parrish (1982) . Arrows show wind directions; H, high pressure; L, low pressure. Palaeogeography and volcanoes...
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Journal Article
Published: 01 December 1989
Bulletin of the Seismological Society of America (1989) 79 (6): 1833–1845.
... , Bull. Seism. Soc. Am. 62 , 1133 - 1171 . Crosson R. S. (1976) . Crustal structure modelling of earthquake data. 1. Simultaneous least squares estimation of hypocenter and velocity parameters. 2. Velocity structure of the Puget...
Journal Article
Published: 01 August 2022
Clays and Clay Minerals (2022) 70 (4): 527–538.
... of colony forming units of model Gram negative and Gram positive bacterial populations compared to the blank (bacteria without treatment) and negative controls (Plg without CAR). CAR microcapsules exhibited various degrees of growth inhibition toward E. coli and S. aureus (Fig. 6 ). The blank control...
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Journal Article
Published: 02 January 2024
American Mineralogist (2024) 109 (1): 51–60.
... discussion is provided below. Figure 7. A schematic model showing the relationship between mafic magma replenishment, magmatic degassing, sulfide precipitation and mineralization. ( a ) Intense magmatic degassing associated with the intrusion of mafic magma into a shallow, felsic magma reservoir...
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Journal Article
Published: 01 July 2013
American Mineralogist (2013) 98 (7): 1153–1161.
... not of sufficient resolution to model H 2 O swelling effects and framework polyhedral distortions during ion exchange, thus Raman spectroscopy offers a complementary tool to measure changes in framework geometry in situ during ion exchange. The results presented here are directly relevant to other ion exchange...
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