Alkaline Rocks and Carbonatites of the World

Setup during HiTech AlkCarb: an online database of alkaline rock and carbonatite occurrences

Soto-Rugua (Soto Canete; Paraguari)

stripes

Occurrence number: 
130-00-012
Country: 
Paraguay
Region: 
Paraguari
Location: 
Longitude: -57.1, Latitude: -25.6
Carbonatite: 
No

An essexite stock cutting Silurian sandstones. Small veins of syenite occur within the essexite, which is also cut by a kersantite dyke.

Age: 
132±10 Ma by K-Ar on essexite (Palmieri and Arribas, 1975).
References: 
PALMIERI, J.H. and ARRIBAS, A. 1975. El complejo alcalino potasico de Sapukai (Paraguay Oriental). Congreso Ibero-Americano de Geologia Economica, Buenos Aires, 2: 267-300. J.H. Palmieri, personal communication, 1981. PUTZER, H. 1962. Geologie von Paraguay. Gebruder Borntraeger, Berlin - Nikolassee 183 pp
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith