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.
Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava.Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.This magma can be derived from partial melts of pre-existing rocks in either a planet's mantle or crust.he word igneous is derived from the Latin ignis, meaning of fire. Volcanic rocks are named after Vulcan, the Roman name for the god of fire. Intrusive rocks are also called plutonic rocks, named after Pluto, the Roman god of the underworld.