Split and merge into it. Answer by Scitrs. Confidence votes 412. The word Hindu came from the word Sindhu which meant those who lived on the other side of the Indus river. The Persian pronounced the Sindhu as Hindus, and all people living on the other side of the river Sindhu were called by them as Hindus.indu means one who believes in the Hindu Dharma and Philosophy as enunciated in Vedas, Upnishadas, Gita and other Hindu scriptures profess â¦ ing beliefs, principles, precepts, idealogy and practices of Hinduism.
Pegmatites may be composed of a variety of minerals. Terms such as granite pegmatite, gabbro pegmatite, syenite pegmatite, or names with any other plutonic rock type as prefix are used. Compositions in the range from granodiorite to granite are common.ome pegmatite bodies are small irregular patches less than 1 cm. (0.4 in) across in larger masses of plutonic or metamorphic rocks. Others may be thousands of meters in length and hundreds of meters thick. Some appear as dikes, veins, or sills. Many have irregular outlines.
The answer to how are igneous rocks formed is pretty straight forward: Igneous rocks are called fire rocks and are formed either underground or above ground. Underground, they are formed when magma deep within the Earth becomes trapped in small pockets.xtrusive igneous rocks are formed at the crustâs surface as a result of the partial melting of rocks within the mantle and crust. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks and are fine grained.