Igneous Felsic

Igneous Felsic Rocks

Igneous Rocks most refferences known in the exploration of minerals. At lease the activity of exploration will be friendly to the igneous rocks. Althought is not the find always, but often you are meet this rocks while in your working on site.

Why Igneous rock Felsic?

Yes, these type of the rocks were the part of the series of development of the natural processes to construct the minerals resources in the nature.

I promote this rock as mostly found during exploration in the fields, so that need to know much about the what, where, how this igneous felsic rocks.

How Identify a Tonalite

I propose Tonalite rocks , as a related in to my field observation at Malaysia , specially at Pahang and Kelantan State.

Almost a discover the gold prospect , there ar also a Tonalite as host rocks and of course combin with a structure geology, fault, fractures.

A minralized zone mostly in the host rocks Tonalite with associated quartz vein as shown on the rocks texture. How i identify the gold bearing zone , while found Tonalite and quartz vein on there. Let's start to have this knowldge.

Read Also : Tonalite as host rocks

Mainly you need to know 3 subject to your start to go to identify agreen field:

Quartz : hardness 7, white-milky, xtal-massive, vitreous
Feldspars : Alkali F and Plagioclast F. : hardness 5-6, grey-white, massive
Feldspathoid : This aluminiumsilicates, contain Na, K and Ca with low silica