GRN grid region: N09E09
A grid 'square' of approximately 160km x 160km, part of the Global Reference Network of 19,833 grid cells covering the Earth.Northeast Corner:
13 30'0'' N , 13 10'11'' E ( 13.5,13.17 )
Southwest Corner:
12 0'0'' N , 11 42'24'' E ( 12,11.7067 )
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
6 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramLocalities within grid area
- Yobe
- Geidam
Quick NavMineral ListRock Types