Foto de stock - Unique rock formations at Sarawak Delta Geo Park, Santubong, Sarawak, East Malaysia, Borneo. The Sarawak Delta Geo Park is located southwest of Miri, Sarawak, in Malaysia. It is an area of bio-diversity and is home to various rock formations. These rock formations include sedimentary, igneous, and metamorphic rocks. Sedimentary rocks are formed when sand, mud, or other material particles settle and consolidate into solid rock. The most common sedimentary rocks in the Sarawak Delta Geo Park are sandstone and conglomerates. Igneous rocks are formed by magma that has cooled and solidified. Granites and basalts are the most common igneous rocks in the Sarawak Delta Geo Park. Metamorphic rocks are rocks that have been changed by heat and pressure. The most common metamorphic rocks in the Sarawak Delta Geo Park are gneiss and schist.