Intrusive Rocks. Igneous rocks which form by the crystallization of magma at a depth within the Earth are called intrusive rocks. Intrusive rocks are characterized by large crystal sizes, i.e., their visual appearance shows individual crystals interlocked together to form the rock mass.gneous rocks which form by the crystallization of magma at a depth within the Earth are called intrusive rocks.
Marja /mar-ja/ [2 sylls.] as a girls' name is of Latin derivation, and the meaning of the name Marja is star of the sea; pearl.Marja is a variant transcription of Maria (Latin). Marja is also a variant of Marjorie (English, French, Greek): version of the French Margery.Marja is also used as a form of Mary (Latin). Kreatif forms: Marma, Merja, Merrja.arja is a variant transcription of Maria (Latin). Marja is also a variant of Marjorie (English, French, Greek): version of the French Margery. Marja is also used as a form of Mary (Latin).
The first thing you should know if you are considering Roja for your baby's name is that in most countries all over the world the name Roja is a girl name. The name Roja is of Spanish origin, and is used mostly in Spanish speaking countries but also in a few other countries and languages of the world.