|Latitude & Longitude (WGS84):||16° 43' 20'' South , 41° 53' 35'' West|
|Latitude & Longitude (decimal):||-16.72225,-41.89299|
|Köppen climate type:||Aw : Tropical savanna, wet|
Guimarãesite was first described from an undisclosed granite pegmatite in the Piauí valley.
11 valid minerals. 1 (TL) - type locality of valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
541 - 1000 Ma
|Neoproterozoic crystalline metamorphic rocks|
Age: Neoproterozoic (541 - 1000 Ma)
Lithology: Low grade unclassified metamorphic rock
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.