feldspathic

feldspathic

A geologist examines a feldspathic rock sample under a bright light.

Definition

Adjective: Relating to, containing, or resembling feldspar (a group of common rock-forming minerals).

Usage Examples
  • (Containing a significant amount of feldspar.)
  • (Minerals that are related to or consist of feldspar.)
  • (Having feldspar as a key ingredient.)
Advanced Usage
  • "Feldspathic sandstone": a type of sedimentary rock rich in feldspar grains.
    • Geologists classified the sample as feldspathic sandstone due to its high feldspar content. (A specific rock type defined by its mineral makeup.)
  • "Feldspathic igneous rock": a rock formed from cooled magma that contains notable feldspar crystals.
    • The feldspathic igneous rock displayed large, visible crystals of orthoclase. (A rock type characterized by feldspar presence.)
Variants and Related Words
  • Feldspar (noun): the mineral group itself.
    • Feldspar is the most abundant mineral in the Earth's crust. (The base mineral.)
  • Feldspathoid (noun): a group of minerals similar to feldspar but with less silica.
    • Nepheline is a common feldspathoid found in silica-poor rocks. (A related mineral family.)
Synonyms
  • Feldspar-rich: having a high content of feldspar.
  • Feldspar-bearing: containing feldspar as a component.
Related Idioms
  • — "feldspathic" is a technical geological term and does not appear in common idioms.
Phrasal Verbs
  • — "feldspathic" is an adjective and does not form phrasal verbs.