red 
t of 
ype 
‘ing 
196. 
  
     
    
Fe Study Area... 
  
  
  
  
  
L2 m 1 
  
  
47°05' 
Figure 1 - Location of the study area within the Serra do Mendes granitoid. 
  
  
  
  
  
  
  
  
  
  
  
  
  
60 
—-— Bare Soils in Altered 
Granitoids 
0, 
(%) —Ei-Bare Soils in Biotite 
R 50 +— Granitoids 
E —A— 100% Green Vegetation 
F —E 40% Green Vegetation in 
L Altered Granitoids 
g 1 —— 60% Green Vetetation in S 
C Altered Granitoids 
T —©—40% Green Vegetation in 
A 30 Biotite Granitoids 
N 
C 
E 
p? = 
A 
C 
T 
R 
0 ! } ! | 
TM-1 TM-2 TM-3 TM4 TM-5 TM-5 
LANDSAT-TM BANDPASS 
  
  
  
Figure 2 - Field spectra data for different assemblages of soil-vegetation (herbaceous plants) in the 
study area. 
11 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996