What does Trachytic texture imply?

What does Trachytic texture imply?

Trachytic is a texture of extrusive rocks in which the groundmass contains little volcanic glass and consists predominantly of minute tabular crystals, namely, sanidine microlites. Trachytic texture occurs in rocks that are rich in alkalies; hence the vitreous mass of the rocks has a relatively low viscosity.

What type of rock is Trachyte porphyry?

igneous rock
An igneous rock, trachyte primarily consists of alkali feldspars, but also contains plagioclase as well as minor amounts of other minerals, such as olivine, biotite, and pyroxene.

Is Trachyte intermediate?

Trachyte is an extrusive rock, belonging to the alkali series of intermediate volcanic rocks.

What type of rock is Peralkaline Trachyte?

A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. A petrological term for Albite-Anorthite Series.

What is Trachyte porphyry?

An igneous rock, trachyte primarily consists of alkali feldspars, but also contains plagioclase as well as minor amounts of other minerals, such as olivine, biotite, and pyroxene.

Is scoria good for drainage?

Drainage Scoria is ideal for drainage. Drainage Scoria is also used for back filling aggie pipes and layering under ground to help wet areas drain better.

Is Trachyte porphyry intrusive or extrusive?

What type of rock is trachyte?

Trachyte is a extrusive igneous rock that light coloured is composed mostly of alkali feldspar with minor amount of dark coloured minerals such as biotite, amphibole, or pyroxene. Trachyte is the volcanic equivalent of rock Syenite.

What is a trachytic texture?

Trachytic texture occurs in alkaline rich rocks; therefore, the vitreous mass of the rocks has a relatively low viscosity. Trachytic texture is especially characteristic of trachytes and rocks similar to trachytes.

Where are trachytes found in Europe?

Trachytes are well represented among the Cenozoic volcanic rocks of Europe. In Britain they occur in Skye as lava flows and as dikes or intrusions, but they are much more common on the continent of Europe, as in the Rhine district and the Eifel, also in Auvergne, Bohemia and the Euganean Hills.

What are the characteristics of trachytic lava?

Rapid cooling and solidification of trachytic lava produces the fine texture of the groundmass, and cooling may be so rapid locally that small quantities of glass are formed.