Alkaline Rocks and Carbonatites of the World

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

Yarigua-A

stripes

Occurrence number: 
130-00-013
Country: 
Paraguay
Region: 
Paraguari
Location: 
Longitude: -57.12, Latitude: -25.78
Carbonatite: 
No

A phonolite plug forms a steep, conical hill about 1 km in diameter. Little detail is known.

References: 

MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.
J.H. Palmieri, personal communication, 1981

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith