5 A Day: Fruit of the Month: Persimmons. Persimmons origins go back to ancient China. Fate intervened in the 1880's when a United States Commander brought back a native Japanese persimmon variety to Washington, D.C. Now, persimmons are grown in California where hundreds of different varieties flourish. A Day: Fruit of the Month: Persimmons. Persimmons origins go back to ancient China. Fate intervened in the 1880's when a United States Commander brought back a native Japanese persimmon variety to Washington, D.C. Now, persimmons are grown in California where hundreds of different varieties flourish.
As the super hot magma cools, it solidifies to form a rock and that rock is called igneous rock. When most people think of igneous rock they vision a volcano erupting pumice and lava. Igneous rocks form directly by crystallization from materials from a magma melt.
Three Types of Rocks That Form When Lava Cools By Hanna Lee Tidd; Updated April 24, 2017 Lava rock, also known as igneous rock, is formed when volcanic lava or magma cools and solidifies. It is one of the three main rock types found on Earth, along with metamorphic and sedimentary. Typically, eruption occurs when there is an increase in temperature, a decrease in pressure or a change in composition.