|Latitude & Longitude (WGS84):||18° 14' 28'' North , 66° 11' 2'' West|
|Latitude & Longitude (decimal):||18.24134,-66.18406|
|Other regions containing this locality:||The Caribbean|
|Köppen climate type:||Am : Tropical monsoon climate|
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3 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
|Cretaceous - Tertiary|
|Hydrothermally altered rock|
Age: Paleocene (66 Ma)
Description: Mixture of clay, sericite, albite, and pyrophyllite. Locally pyrite-bearing. Majority of areas mapped as hydrothermally altered are intrusive rocks. Exposed in the umacao, Juncos, Barranquitas, Cayey, Naranjito, Aquas Buenas, Comerio, Caquas, Cailes, Rosario, San German, Gurabo, Patillas, Naguabo, Guayama, and Punta Tuna quadrangles
Reference: Bawiec, W.J. (editor). Geology of Puerto Rico. USGS Open-File Report 98-38. 
66 - 145 Ma
|Mesozoic sedimentary and volcanic rocks|
Age: Cretaceous (66 - 145 Ma)
Lithology: Mafic volcanic rocks
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.