globalchange  > 气候变化事实与影响
DOI: 10.1016/j.jag.2017.08.001
Scopus记录号: 2-s2.0-85032212112
论文题名:
Mapping rock forming minerals at Boundary Canyon, Death Valey National Park, California, using aerial SEBASS thermal infrared hyperspectral image data
作者: Aslett Z; , Taranik J; V; , Riley D; N
刊名: International Journal of Applied Earth Observation and Geoinformation
ISSN: 15698432
出版年: 2018
卷: 64
起始页码: 326
结束页码: 339
语种: 英语
英文关键词: Death Valley ; Hyperspectral ; LWIR ; Minerals ; SEBASS ; Thermal-infrared
Scopus关键词: allochthon ; autochthon ; lithology ; mapping method ; mineral ; multispectral image ; sedimentary rock ; California ; Death Valley National Park ; Grapevine Mountains ; United States ; Vitis
英文摘要: Aerial spatially enhanced broadband array spectrograph system (SEBASS) long-wave infrared (LWIR) hyperspectral image data were used to map the distribution of rock-forming minerals indicative of sedimentary and meta-sedimentary lithologies around Boundary Canyon, Death Valley, California, USA. Collection of data over the Boundary Canyon detachment fault (BCDF) facilitated measurement of numerous lithologies representing a contact between the relatively unmetamorphosed Grapevine Mountains allochthon and the metamorphosed core complex of the Funeral Mountains autochthon. These included quartz-rich sandstone, quartzite, conglomerate, and alluvium; muscovite-rich schist, siltstone, and slate; and carbonate-rich dolomite, limestone, and marble, ranging in age from late Precambrian to Quaternary. Hyperspectral data were reduced in dimensionality and processed to statistically identify and map unique emissivity spectra endmembers. Some minerals (e.g., quartz and muscovite) dominate multiple lithologies, resulting in a limited ability to differentiate them. Abrupt variations in image data emissivity amongst pelitic schists corresponded to amphibolite; these rocks represent gradation from greenschist- to amphibolite-metamorphic facies lithologies. Although the full potential of LWIR hyperspectral image data may not be fully utilized within this study area due to lack of measurable spectral distinction between rocks of similar bulk mineralogy, the high spectral resolution of the image data was useful in characterizing silicate- and carbonate-based sedimentary and meta-sedimentary rocks in proximity to fault contacts, as well as for interpreting some mineral mixtures. © 2017
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/79887
Appears in Collections:气候变化事实与影响

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作者单位: Arthur Brant Laboratory for Exploration Geophysics (ABLE), University of Nevada-Reno, 1664 N. Virginia St., Reno, NV, United States; Desert Research Institute, 2215 Raggio Parkway, Reno, NV, United States; The Aerospace Corporation, 14745 Lee Rd, Chantilly, Chantilly, VA, United States; Booz Allen Hamilton, 14151 Park Meadow Dr., Chantilly, VA, United States

Recommended Citation:
Aslett Z,, Taranik J,V,et al. Mapping rock forming minerals at Boundary Canyon, Death Valey National Park, California, using aerial SEBASS thermal infrared hyperspectral image data[J]. International Journal of Applied Earth Observation and Geoinformation,2018-01-01,64
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