Browse the USGS Digital Spectral Library

Browse the USGS Digital Spectral Library (splib04a)

from http://speclab.cr.usgs.gov

If the spectral plots do not work properly with your browser, please try our newer browser with better plots at: http://speclab.cr.usgs.gov/spectral.lib04/spectral-lib.desc+plots.html

The USGS Digital Spectral Library, version 1 (splib04a) contains the reflectance spectra of 498 minerals, plants and misc materials. With this tool, you can browse through the library, view plots of the spectra, and examine the data descriptions. Once you view a spectrum, you can download the ascii data. If you want to download a lot of data, please go to the previous page where you can download the entire library more efficiently.

           Spectral Library Entries by Type
==================================================================
           Minerals:                              Other:
 ----------------------------------------    ---------------------
 1  Borate              4  Phosphate          3  Desert Varnish
21  Carbonate         108  Phyllosilicate     1  Organic (Kerogen)
 1  Chloride            5  Sorosilicate
 7  Cyclosilicate      33  Sulfate
 2  Element            23  Sulfide
 4  Halide              2  Sulfosalt
13  Hydroxide          64  Tectosilicate      17 Plants:
45  Inosilicate                              ---------------------
63  Nesosilicate                              3  Grass
 1  Nitrate                                   6  Shrub
24  Oxide                                     8  Tree
==================================================================

Select a library entry:

U.S. Geological Survey, a bureau of the U.S. Department of the Interior
This page URL= http://speclab.cr.usgs.gov/browse.html
This site is maintained by: Dr. Roger N. Clark rclark@usgs.gov
Last modified November 13, 1998.