The spectral library of Antarctic Lithologies
LILIAN - Archivio di Spettri di Litotipi Antartici
 
Created and maintained by The Geodesy and Remote Sensing Laboratory

Authors: Stefano Salvi¹, Francesco Mazzarini², Fawzi Doumaz¹, Valerio Lombardo¹ and Cristiano Tolomei¹ 
 ¹ INGV - Laboratorio di Geodesia e Telerilevamento, Via di Vigna Murata 605 - 00143 Roma - Italy
 ² CNR - CSGSDA, Via S. Maria 53 - 56126 Pisa - Italy

 

 

Remote sensing is a powerful tool for geologic mapping in scarcely accessible areas as Antarctica. Multispectral images acquired by the presently available satellite and airborne sensors can be successfully used to make reconnaissance maps in which the lithological units are discriminated on the basis of different reflectance properties of their lithological constituents.
In the optical range, continuous improvement in the technical development of new instruments is now leading to a change from multispectral to hyperspectral remote sensing. The availability of reference spectra for minerals and especially rocks greatly improves the possibility to discriminate among the outcropping lithologies. Commercial image processing softwares now provide easy ways to compare field and image spectra, opening the possibility for deterministic lithologic mapping and spectral unmixing of different end-member spectra. To this purpose, and with the support of the Italian National Antarctic Program (PNRA) we have developed a spectral library of Antarctic lithologies.
LILIAN contains reflectance spectra measured in the field and in the laboratory for several different rock surfaces belonging to geological formations of the Northern Victoria Land. You are welcome to browse and download LILIAN data for your use, we only ask you to acknowledge their provenance. A description of measurement campaigns, library concept and data format is provided in this file for your reference (click to download the entire Lilian article).

 

 

 

 

 

 

 

 

 

 

 

 

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