Dataset Open Access
Data publication: Underground hyperspectral outcrop scanning for automated mine-face mapping — the Lithium deposit of Zinnwald/Cínovec
Kirsch, Moritz;
Mavroudi, Mary;
Thiele, Samuel Thomas;
Lorenz, Sandra;
Tusa, Laura;
Booysen, René;
Herrmann, Erik;
Fatihi, Ayoub;
Möckel, Robert;
Dittrich, Thomas;
Gloaguen, Richard
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"title": "Data publication: Underground hyperspectral outcrop scanning for automated mine-face mapping \u2014 the Lithium deposit of Zinnwald/C\u00ednovec",
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"hyperspectral",
"underground mining",
"point cloud",
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"description": "<p>As part of a project on the development of hyperspectral scanning to support geological mapping in underground mines, we acquired hyperspectral data from three adjacent outcrops of Sn-W-Li greisen rocks in the visitor’s mine of Zinnwald, Germany. The hyperspectral scans were pre-processed and then back-projected onto photogrammetric, three-dimensional digital outcrop models resulting in so-called "hyperclouds". The here presented hyperclouds from the three outcrops (Z1, Z2, and Z3) contain the following attributes:</p>\n\n<p>ZX_Absorbance.ply<br>\nRGB colours: Mica/clay-zinnwaldite-topaz abundance based on absorbance (1 – hull-corrected reflectance) at 2200 nm (red), 2250 nm (green), and 2085 nm (blue)<br>\nScalars: Absorbance at 2086.88 nm, 2160.69 nm, 2197.53 nm, 2209.8 nm, 2252.7 nm, and 2338.31 nm</p>\n\n<p>ZX_Iron.ply<br>\nRGB colours: Composite (Fe3+ Fe2+ FeOH) iron index (red: 600/570 nm, green:(920 nm + 1650 nm)/ (1035 nm 1230 nm), blue: (2230 nm 2290 nm)/(2245 nm + 2260 nm)<br>\nScalars: Fe3+ = 600/570 nm, Fe2+ = (920 nm + 1650 nm)/ (1035 nm + 1230 nm), FeOH = (2230 nm + 2290 nm)/(2245 nm + 2260 nm)</p>\n\n<p>ZX_MNF.ply<br>\nRGB colours: Minimum noise fraction false colour (red: band 4, green: band 7, blue: band 5)<br>\nScalars: Minimum noise fraction bands 4, 7, 5)</p>\n\n<p>ZX_RGB_mineralogy_Li.ply<br>\nRGB colours: True colour RGB from photogrammetric outcrop model<br>\nScalars: Mineral abundances derived by combining sample mineralogy from quantitative XRD measurements and hyperspectral unmixing approaches: Quartz/Feldspar, Zinnwaldite, Muscovite/Illite, Kaolinite, Topaz, Lithium (by multiplying the zinnwaldite abundance by its average lithium content of 1.7%)</p>",
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"publication_date": "2023-01-12",
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"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
"name": "Kirsch, Moritz",
"orcid": "0000-0003-1512-5511"
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"affiliation": "National Technical University of Athens, School of Mining and Metallurgical Engineering, Greece",
"name": "Mavroudi, Mary"
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{
"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
"name": "Thiele, Samuel Thomas",
"orcid": "0000-0003-4169-0207"
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"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
"name": "Lorenz, Sandra",
"orcid": "0000-0001-8464-2331"
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"affiliation": "TheiaX GmbH, Freiberg, Germany",
"name": "Tusa, Laura"
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"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
"name": "Booysen, Ren\u00e9",
"orcid": "0000-0002-5549-4090"
},
{
"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
"name": "Herrmann, Erik"
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"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
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"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
"name": "M\u00f6ckel, Robert",
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"affiliation": "Deutsche Lithium GmbH, Freiberg, Germany",
"name": "Dittrich, Thomas"
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"affiliation": "Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany",
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138
121
views
downloads
| All versions | This version | |
|---|---|---|
| Views | 138 | 138 |
| Downloads | 121 | 121 |
| Data volume | 26.1 GB | 26.1 GB |
| Unique views | 124 | 124 |
| Unique downloads | 61 | 61 |
- Publication date:
- January 12, 2023
- DOI:
-
- Keyword(s):
- hyperspectral underground mining point cloud lithium mineral mapping
- Related identifiers:
- Identical to:
https://www.hzdr.de/publications/Publ-36215 - Referenced by:
https://www.hzdr.de/publications/Publ-37299 - Communities:
- License (for files):
- Creative Commons Attribution 4.0 International