Here's a breakdown:

* The majority of Skye's landscape is formed by the Skye Lava Plateau, which is a vast area of basalt, a dark-colored volcanic rock formed from cooled lava flows.

* The Cuillin Hills, the most iconic feature of Skye, are formed from gabbro, a dark, coarse-grained igneous rock.

* Other igneous rocks present on Skye include:

* Rhyolite: a light-colored volcanic rock, often found in association with the basalt flows.

* Andesite: an intermediate volcanic rock, found in smaller amounts.

While igneous rocks dominate the landscape, there are some sedimentary rocks present, particularly in the coastal areas. These include sandstone, limestone, and shale, formed from the accumulation and cementation of sediments.

It's important to remember that while these are the main rock types, there is a lot of variation within the island due to its complex geological history.