Alkalic intrusive rock

A plutonic rock that contains more sodium and/or potassium than is required to form feldspar with the available silica.

Results listed by similarity [list alphabetically]
Alkalic-type epithermal gold deposit model; Chapter R in Mineral deposit models for resource assessment

Summarizes the primary characteristics of alkalic-type epithermal gold deposits and provides an updated descriptive model, including geologic setting and processes, associated deposit types and commodities, Discusses examples of this type.

Geochemical analyses of bauxite and associated rocks from the Arkansas bauxite region, central Arkansas

Major and trace element analytical results of samples of bauxite (aluminum ore) and associated rocks.

Geochemical data for alkaline igneous rock units in the Cripple Creek district, Colorado USA: 1989-2016

New major and trace element geochemical analyses of alkaline igneous rocks in this area. of historic gold mining in order to characterize the tellurium and other trace element constituents of predominantly unaltered rocks genetically associated with mineralization, to help understand the mechanism of enrichment in these deposits. 75 samples were analyzed by a variety of modern techniques and instruments.

Reconnaissance study of the major and trace element content of bauxite deposits in the Arkansas bauxite region, Saline and Pulaski Counties, central Arkansas

Geochemical analysis and characteristics of bauxite deposits in this area.