The size shapes and arrangements of mineral grains in an igneous rock is known as texture or rock microstructure. It refers to the components found on a rock and how a rock is composed. The texture of an igneous rock varies differently; it can be either crystalline, fragmental, or glassy.
1.weathered materials from rocks and transported to the beach through wind and rivers 2.from rocks weathering and eroding over thousands and millions of years.
