Definition of Leucocratic. Meaning of Leucocratic. Synonyms of Leucocratic

- classes by several systems based on their color index, including into leucocratic and melanocratic rocks, or into (mineralogically) felsic and mafic rocks...
- plagioclase). Rocks with greater than 90% felsic minerals can also be called leucocratic, from the Gr**** words for white and dominance. Felsite is a petrologic...
- may consist of only quartz and feldspar or the term may refer to any leucocratic (pale-coloured) minor intrusion of that grain size. They are ****ociated...
- Leucocratic variety of nepheline syenite from Sweden (särnaite)...
- composition is more often used (dividing the igneous rocks into felsic/leucocratic, mafic/melanocratic and ultramafic). The term "silicic", widely used...
- Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase...
- Gneiss, Meeberrie Gneiss, Manfred Complex, and un****igned polydeformed leucocratic gneisses and metasediments. The Dugel Gneiss is syenogranitic or monzogranitic...
- alkalic pyroxene with accessory titanite, melanite and nepheline. It is a leucocratic variety of analcimite (a foidite). Blairmorite has also been described...
- breccia with approximately 10% leucocratic clasts bigger than 1 mm. Sizes are seriate and the rock contains 10 to 15% leucocratic clasts 0.5 to 1.0 mm. Dark...
- angular breccia with 5 to 10 percent leucocratic clasts bigger than 1 mm. Sizes are seriate with 10 to 20 percent leucocratic clasts in the range of 0.5 to 1...