The Malpica Deposit is hosted by a younger, granodioritic intrusive phase of the calc-alkalic Sinaloa Batholith.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

Has interaction between (already alkalic) magma and the limestone/dolomite country rocks underlying the region got anything to do with it?.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Recent petrological work has confirmed the alkalic chemistry of some of the intrusive rocks at Huajoto, which is very unusual for the Andes.    From Wordnik.com.  [Marketwire - Breaking News Releases]

SHRIMP U-Pb dating of recurrent Cryogenian and Late Cambrian-Early Ordovician alkalic magmatism in central Idaho: Implications for Rodinian rift tectonics.    From Wordnik.com.  [EurekAlert! - Breaking News] Reference

Carbonatite usually occur as small plugs within zoned alkalic intrusive complexes, or as intrusive bodies, but can form as dikes or veins in the host rocks.    From Wordnik.com.  [Marketwire - Breaking News Releases]

Concentrations of the REE's have been identified within phosphate minerals from the project such as carbonated monazite, dahllite, apatite and fluorapatite genetically associated with the alkalic sill complex.    From Wordnik.com.  [Marketwire - Breaking News Releases]

Detailed ground radiometrics completed by the Company has revealed the existence of a radiogenic anomaly approximately 4 x 4 kilometers in size that outlines an alkalic injection sill complex, with associated garnet skarns that are related to the REE concentrations.    From Wordnik.com.  [Marketwire - Breaking News Releases]