👉 The term "granodioritic" refers to a type of volcanic rock that is composed primarily of silt and sand, with small amounts of quartz, feldspar, and other minerals. Granodiorites are often found in association with other types of rocks such as basalt, and they can vary in size and texture depending on the specific location. Granodioritic rocks are typically greyish-white to brown in color and have a characteristic "glittering" or "sparkling