Landsat 8/9 GOS
Gossan Index for Landsat 8/9
Geology Satellite Provider: USGS/NASA
Applications
Mineral Exploration
Iron Ore Detection
Metal Detection
Geological Mapping
Sulfide Deposit Detection
Quick Stats
Category: geology
Sensor: Landsat 8/9
Provider: USGS/NASA
Bands Used: 2
Description
Geological index for detecting gossan formations - weathered, oxidized iron-bearing rocks that form at the surface above sulfide mineral deposits. Essential for mineral exploration and identifying potential ore deposits.
Formulas
General Formula
Landsat 8/9 Specific Formula
B6 / B4Spectral Band Visualization
Band Wavelengths
Red: 630-690 nm
SWIR4: 1600-1700 nm
Code Examples
gossan.py
References
ASTER sensor applications