- Modality
- NIR
- Category
- soil
- Material Type
- Intimate
- Sample ID
- MV00-11a
- Collection Locality
- Alunite Ridge, Marysvale, Utah USA
- Spectral Purity
- 1c2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
- Composition / XRD
- NONE # XRF, EPMA, ICP(Trace), WChem
- Sample Description
- Na alunite + kaolinite (mnr.) + hematite (tr.) - intimate mix (from XRD). Weathered rock. Alunite Ridge, Marysvale, Utah. See: Rockwell, B.W.,2002, Descriptions, spectral plots, and digital reflectance spectra of samples applied to spectral analysis of imaging spectroscopy data: Utah (East Tintic Mountains, Oquirrh Mountains, Wasatch Mountains, and Tushar Mountains), Nevada (Goldfield Hills), and New Mexico (Jemez Mountains), USA, 1999-2002: U.S. Geological Survey Open-File Report 02-407, electronic web pages. (http://pubs.usgs.gov/of/2002/ofr-02-407)
- XRD Analysis
- quartz (major) + natro-alunite (major) + kaolinite (minor) + hematite (trace) + dolomite (?) USER: Steve Sutley JADE: PDF Overlay List DATE: Monday, Feb 11, 2002 11:01a FILE: [BARN21.MDI] MV00-11A NA-K ALUNITE + KAO? less than Psi=-1.0 SCAN: 4.0/62.0/0.02/1(sec)/psi=-1.0, Cu(40kV,25mA), I(cps)=13496, 10/10/00 10:38 Phase ID (5 Overlays) Chemical Formula File ID I% 2T(0) d/d(0) Wt% Tag XS(A) #d/I [x] Quartz, syn SiO2 PDF#46-1045 96.5 0.000 1.0000 3.41 0.0 Major greater than 1000 58 [x] Natroalunite NaAl3(SO4)2(OH)6 PDF#41-1467 16.9 0.000 1.0000 ? 0.0 Major greater than 1000 35 [x] Kaolinite-1Md Al2Si2O5(OH)4 PDF#29-1488 6.0 -0.150 1.0000 ? 0.0 Minor greater than 1000 21 [x] Hematite, syn Fe2O3 PDF#33-0664 2.2 0.000 1.0000 2.40 0.0 Trace greater than 1000 45 [x] Dolomite CaMg(CO3)2 PDF#79-1343 2.7 0.000 1.0000 2.51 0.0 ? greater than 1000 41
- X Units
- cm⁻¹
- Y Units
- Absorbance
- Data Points
- 2,126