Lithologic analysis from multispectral thermal infrared data of the alkalic rock complex at Iron Hill, Colorado

Watson, K.; Rowan, Lawrence C.; Bowers, Timothy L.; Antón-Pacheco, Carmen; Gumiel, Pablo; Miller, S. H.

doi:10.1190/1.1443998

Cited by 10 publications

(9 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…TIMS data were collected by NASA on July 20, 1991, using the NASA Convair 880 aircraft. Watson et al [1996] used a ratio method to calculate spectral emissivity. They mapped augitic and biotitic pyroxenite and syenitic rocks within the complex, and quartz-rich rocks and a broad group comprising granitic rocks, felsite, and tuff outside the complex; carbonatite and altered materials, including granite, tuff, and sandstone, were not mapped successfully.…”

Section: Spectral Simulationmentioning

confidence: 99%

Analysis of simulated advanced spaceborne thermal emission and reflection (ASTER) radiometer data of the Iron Hill, Colorado, study area for mapping lithologies

Rowan¹

1998

J. Geophys. Res.

Self Cite

View full text Add to dashboard Cite

Abstract. The advanced spaceborne thermal emission and reflection (ASTER) radiometer was designed to record reflected energy in nine channels with 15 or 30 m resolution, including stereoscopic images, and emitted energy in five channels with 90 m resolution from the NASA Earth Observing System AM1 platform. A simulated ASTER data set was produced for the Iron Hill, Colorado, study area by resampling calibrated, registered airborne visible/infrared imaging spectrometer (AVIRIS) data, and thermal infrared multispectral scanner (TIMS) data to the appropriate spatial and spectral parameters. A digital elevation model was obtained to simulate ASTER-derived topographic data. The main lithologic units in the area are granitic rocks and felsite into which a carbonatite stock and associated alkalic igneous rocks were intruded; these rocks are locally covered by Jurassic sandstone, Tertiary rhyolitic tuff, and colluvial deposits. IntroductionThe advanced spaceborne thermal emission and reflection (ASTER) radiometer is a 14-channel imaging system which is to be launched during 1999 onboard the Earth Observing System (EOS) AM1 platform. ASTER will be capable of measuring reflected solar radiation in nine channels, which have 15 or 30 m spatial resolution, and emitted energy in five channels with 90 m resolution (Table 1). These spectral and spatial characteristics should permit considerable improvement in lithologic identification and mapping capabilities beyond those of the current Landsat Thematic Mapper (TM), and in greater spatial detail than will be possible using other EOS imaging systems. In addition, ASTER will record 15-m resolution stereoscopic images using a nadir-viewing and backward viewing channel, which will be useful for geomorphological studies and will provide a basis for compiling digital elevation models. This paper is not subject to U.S. copyright. Published in 1998 by the American Geophysical Union.Paper number 98JD02118. ASTER will present new data processing and analysis challenges, because images with these spectral and spatial characteristics have not been previously available. The capability to provide coregistered spectral reflectivity and spectral emissivity measurements will be especially important for determining lithologic composition. To develop analytical and interpretation procedures ASTER images of the Iron Hill study area were simulated using airborne visible/infrared imaging spectrometer (AVIRIS) and thermal infrared multispectral scanner (TIMS) data sets. Stereoscopic AVIRIS images of the study area are not available, so a digital elevation model was obtained from the EROS Data Center, Sioux Falls, South Dakota, to provide topographic information. The purpose of this paper is to describe the procedures used to produce a simulated ASTER data set of the Iron Hill, Colorado, study area (Plate 1) and to examine several procedures for mapping lithologies in the area remotely. The geologic setting, vegetation cover, and topographic relief of the Iron Hill area contrast markedly with those o...

show abstract

Section: Spectral Simulationmentioning

confidence: 99%

Analysis of simulated advanced spaceborne thermal emission and reflection (ASTER) radiometer data of the Iron Hill, Colorado, study area for mapping lithologies

Rowan¹

1998

J. Geophys. Res.

Self Cite

View full text Add to dashboard Cite

show abstract

“…The lateral changes in the heat exchange balance and/or in the soil thermal properties modify the thermometric temperature. Soil emissivity can be directly used to map rocks or regoliths in arid climatic zones where pedogenesis is not active (Kahle and Rowan 1980;Salisbury, Wald, and D'Aria 1994;Watson et al 1996;Kato, Matsunaga, and Tonooka 2014), but it has no direct application in temperate humid climates, where soil moisture and organic matter make this parameter uniform. In the presence of vegetation, the plant temperature is governed by its evapotranspiration, and this predominant term of the heat exchange balance can consequently be assessed (Choudury, Isdo, and Reginato 1986;Hilker et al 2013;Mallick et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Comparison between thermal airborne remote sensing, multi‐depth electrical resistivity profiling, and soil mapping: an example from Beauce (Loiret, France)

Pasquier

Bourennane

Cousin

et al. 2016

Near Surface Geophysics

View full text Add to dashboard Cite

A wide variety of remote sensing and ground‐based (proximal sensing) methods have been developed to describe soil physical properties and their lateral variations. Remote sensing enables the estimation of soil properties over large areas, but the information is often limited to the soil surface. Ground‐based methods enable the derivation of soil properties for the whole soil column thickness, although these methods cannot be conducted over large areas. The aim of the present study is to contribute to the assessment of the efficacy of airborne thermal prospection over bare soils in soil mapping. This study focuses on a comparison between this technique, which can investigate over the whole soil column thickness after a sufficiently long transient heat exchange period, and pedo‐logical and electrical resistivity data that were recorded for three different depths of investigation. The study area is located in the Beauce region, where the soils (haplic Calcisol or calcaric Cambisol) consist of a loamy–clay layer that is 0.3 m–1.4 m thick and overlies Tertiary Beauce limestone. Thermal measurements were recorded by ARIES radiometer in December, after six days of heat loss from the ground. The investigation depth could thus be considered to be larger than the thickness of the ploughed layer. Comparisons using statistical analyses between the thermal measurements, electrical resistivity, and pedological data demonstrated that: (i) the spatial organization of the thermal inertia map is similar to the spatial organization of the 0‐m to 1.7‐m resistivity map; and (ii) the thermal apparent inertia values are significantly different between the haplic Calcisols and the calcaric Cambisols and can thus be mapped with a high spatial resolution over large areas. The applicability of thermal prospecting in soil mapping opens up many possibilities considering the present advances in light‐infrared radiometers. Beside agronomical concerns, this methodology will also facilitate progress in engineering applications, including the cross‐estimation of electrical and thermal properties.

show abstract

“…2; Alkhazov et al, 1978). In addition, interpretation of the images is based on previous documentation of the spectral refl ectance and spectral emittance of carbonatites and associated alkalic rocks collected from other sites such as Mountain Pass, California and Iron Hill, Colorado Rowan, 1997;Rowan, 1998;Rowan et al, 1984;Rowan et al, 1986;Rowan et al, 1995;Watson et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

ASTER spectral analysis and lithologic mapping of the Khanneshin carbonatite volcano, Afghanistan

2011

Self Cite

View full text Add to dashboard Cite

Advanced Spaceborne Thermal and Refl ection Radiometer (ASTER) data of the early Quaternary Khanneshin carbonatite volcano located in southern Afghanistan were used to identify carbonate rocks within the volcano and to distinguish them from Neogene ferruginous polymict sandstone and argillite. The carbonatitic rocks are characterized by diagnostic CO 3 absorption near 11.2 μm and 2.31-2.33 μm, whereas the sandstone, argillite, and adjacent alluvial deposits exhibit intense Si-O absorption near 8.7 μm caused mainly by quartz and Al-OH absorption near 2.20 μm due to muscovite and illite.Calcitic carbonatite was distinguished from ankeritic carbonatite in the short wave infrared (SWIR) region of the ASTER data due to a slight shift of the CO 3 absorption feature toward 2.26 μm (ASTER band 7) in the ankeritic carbonatite spectra. Spectral assessment using ASTER SWIR data suggests that the area is covered by extensive carbonatite fl ows that contain calcite, ankerite, and muscovite, though some areas mapped as ankeritic carbonatite on a pre existing geologic map were not identifi ed in the ASTER data. A contact aureole shown on the geologic map was defi ned using an ASTER false color composite image (R = 6, G = 3, B = 1) and a logical operator byte image. The contact aureole rocks exhibit Fe 2+ , Al-OH, and Fe, Mg-OH spectral absorption features at 1.65, 2.2, and 2.33 μm, respectively, which suggest that the contact aureole rocks contain musco vite, epidote, and chlorite. The contact aureole rocks were mapped using an Interactive Data Language (IDL) logical operator.A visible through short wave infrared (VNIR-SWIR) mineral and rock-type map based on matched fi lter, band ratio, and logical operator analysis illustrates: (1) lat-erally extensive calcitic carbonatite that covers most of the crater and areas northeast of the crater; (2) ankeritic carbonatite located southeast and north of the crater and some small deposits located within the crater; (3) agglomerate that primarily covers the inside rim of the crater and a small area west of the crater; (4) a crater rim that consists mostly of epidote-chloritemuscovite-rich metamorphosed argillite and sandstone; and (5) iron (Fe 3+ ) and muscovite-illite-rich rocks and iron-rich eolian sands surrounding the western part of the volcano. The thermal infrared (TIR) rock-type map illustrates laterally extensive carbonatitic and mafi c rocks surrounded by quartz-rich eolian and fl uvial reworked sediments. In addition, the combination of VNIR, SWIR, and TIR data complement one another in that the TIR data illustrate more laterally extensive rock types and the VNIR-SWIR data distinguish more specifi c varieties of rocks and mineral mixtures.

show abstract

Lithologic analysis from multispectral thermal infrared data of the alkalic rock complex at Iron Hill, Colorado

Cited by 10 publications

References 14 publications

Analysis of simulated advanced spaceborne thermal emission and reflection (ASTER) radiometer data of the Iron Hill, Colorado, study area for mapping lithologies

Analysis of simulated advanced spaceborne thermal emission and reflection (ASTER) radiometer data of the Iron Hill, Colorado, study area for mapping lithologies

Comparison between thermal airborne remote sensing, multi‐depth electrical resistivity profiling, and soil mapping: an example from Beauce (Loiret, France)

ASTER spectral analysis and lithologic mapping of the Khanneshin carbonatite volcano, Afghanistan

Contact Info

Product

Resources

About