et al. 1994; Crosta et al., 1996) and automated neural 
network analysis (Merenyi et. al, 1996) Lee and 
Landgrebe have developed techniques for extending 
minimum distance classification to higher spectral 
dimensions and Jia and Richards have developed a two-bit 
binary encoding technique for rapid spectral matching and 
hyperspectral image classification. 
The need to integrate diversified and complex datasets in 
order to locate new mineral deposits is a consequence of 
exploration frontiers being moved to new and unknown 
environment. First realized by the petroleum industry, data 
integration is now becoming a daily routine for geologists 
working with remote sensing, geophysics, geochemistry 
and field data. Again, computer and software 
developments are facilitating this integration of multi-source 
data resulting in new discoveries (Dick, et al., 1993, 
Sabine, 1996). 
8.0 GEOGRAPHIC INFORMATION SYSTEMS AND 
GPS 
Geographical information systems represent a further step 
in data integration. They not only allow geoscientist to 
combine multi-source data sets for better and optimized 
use, but also they provide much more powerful analysis 
capabilities for extracting useful information from different 
data types. The combination of technologies such as 
remote sensing, geophysics, geochemistry, database . 
management, GPS and GIS can provide geoscientist with 
resources exploration tools that were not even dreamed of 
one generation ago. These tools have started to be used 
in even the most remote areas of the world. In conjunction 
with telecommunication links, they are allowing 
geoscientists to take full advantage of all these 
technologies in the field, through the use of portable 
telephones, GPS and portable computers. 
9.0 WORKING GROUP VII/4, ISPRS 
Working group VIl/4 deals with geological and mineral 
resources, including remote sensing applications in 
geology, geomorphology and engineering. Working Group 
activities are the following: 
1. To identify and solicit distinguished scientists to serve as 
members of the Working Group and who will enable the 
Working Group to summarize the state-of-the-technology 
and science in the applications of remote sensing in 
geology, geomorphology and engineering. 
2. Solicit papers for the Commission Symposium that 
demonstrate the state-of-the-art in the applications of 
remote sensing. 
3. Submit a summary report of Working Group activities 
for the Commission Symposium and present the report. 
4. |f desired, hold a Working Group Workshop one year 
prior to the International Society Congress. The purpose 
of this workshop is to present papers which will 
demonstrate the state-of-the-science and -technology. 
These papers will serve as the basis for the Working 
Group's report to the Congress. 
5. Solicit papers for the International Congress in Vienna 
that will be representative of the Working Group's findings 
and activities. 
The focus of Working Group VlII/4's interests are in the 
following areas: 
1. Hyperspectral Remote Sensing in the visible, near- 
infrared and shortwave infrared. 
2. Multispectral Remote Sensing in the thermal infrared. 
3. Multispectral/Multipolarization radar. 
4. High-spatial 
interferometry. 
resolution stereometry and SAR 
5. Application of image processing and analysis technique 
to mineral and petroleum exploration and to engineering 
geology. 
6. Application of geographic information system 
techniques to mineral and petroleum exploration and to 
engineering geology. 
9.1 Current Membership in Working Group VII/4 
James V. Taranik, Desert Research Institute, Chairman 
Alvaro P. Crosta, University of Campinas, Co-Chairman 
Michael Abrams, Jet Propulsion Laboratory 
Robert Agar, GEOSCAN 
Carmen Anton-Pacheco, Inst. Tech. GeoMinero, Spain 
Robert Crippen, Jet Propulsion Laboratory 
Chris Elvidge, Desert Research Institute 
Jeff R. Harris, Geological Survey of Canada 
Scott Hills, Chevron Petroleum Technology Company 
|. loffe, Geological Institute, RAS, Russia 
Anne B. Kahle, Jet Propulsion Laboratory 
Fred Kruse, University of Colorado 
Guillermo Re Kuhl, FMC Gold, Reno 
Thomas McCord, University of Hawaii 
Fernando P. Miranda, Petrobras, Brazil 
Jose S. Moretsohn, TVX Gold, Chile 
Sandra Perry, Denver, Colorado 
David Mouat, Desert Research Institute 
Larry Rowan, U. S. Geological Survey 
Chuck Sabine, Desert Research Institute 
Verne Singhroy, CCRS 
David Spatz, BHP Minerals 
Adelir S. Strieder, Univ. Rio Grande do Sul, Brazil 
Dan Taranik, RTZ, Spain 
Freek Van der Meer, ITC, Netherlands 
The Working Group has held two workshop/meetings in 
conjunction with major international meetings. It met 
during the ASPRS/ACSM Annual Meeting in April 1994 in 
Reno, Nevada and during the 11th Thematic Conference 
on Geologic Remote Sensing in Las Vegas. Most of the 
activities of the Working Group are conducted through E- 
mail and conventional mail. 
10.0 POST ECO RIO' 94 WORKING GROUP REPORT 
At ECO Rio' 94 Working Group VII/4 presented 19 papers 
and published 19 papers in the proceedings. The papers 
that were presented and/or published were the following: 
696 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996