Sediment mineralogy based on visible and near-infrared reflectance spectroscopy
Geological Society Special Publication
By: R. D. Jarrard and Vanden Berg
Edited by: Rothwell R.G.
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Abstract
Visible and near-infrared spectroscopy (VNIS) can be used to measure reflectance spectra (wavelength 350-2500 nm) for sediment cores and samples. A local ground-truth calibration of spectral features to mineral percentages is calculated by measuring reflectance spectra for a suite of samples of known mineralogy. This approach has been tested on powders, core plugs and split cores, and we conclude that it works well on all three, unless pore water is present. Initial VNIS studies have concentrated on determination of relative proportions of carbonate, opal, smectite and illite in equatorial Pacific sediments. Shipboard VNIS-based determination of these four components was demonstrated on Ocean Drilling Program Leg 199. ?? The Geological Society of London 2006.
Suggested Citation
Jarrard, R., and Berg, V., 2006, Sediment mineralogy based on visible and near-infrared reflectance spectroscopy: Geological Society Special Publication, no. 267, p. 129-140.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sediment mineralogy based on visible and near-infrared reflectance spectroscopy |
| Series title | Geological Society Special Publication |
| ISBN | 1862392102; 9781862392106 |
| Issue | 267 |
| Year Published | 2006 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geological Society Special Publication |
| First page | 129 |
| Last page | 140 |