SANDSTONE AND SHALE ANGCO QUARRY, TUARAN SABAH

Rock Type: Sedimentary Rock - Sandstone
Formation: West Crocker Formation
Age: Oligocene – Early Miocene (33.9 – 15.97 million years ago)
Origin: Angco Quarry, Tuaran, Sabah

* The features rock is called sandstone and shale, donated by Angco Quarry. It is originated from Tuaran, Sabah and were formed from Oligocene – Early Miocene epoch approximately 33.9 – 15.97 million years ago.

* Sandstone and shale are two distinct sedimentary rocks that form through different geological processes, each exhibiting unique characteristics.

* Sandstone is primarily composed of sand-sized mineral, rock, or organic particles that are cemented together over millions of year. It forms in environments where there is an abundance of sand, such as deserts, beaches, or riverbeds. Sandstone is characterized by its granular texture, visible grains, and the presence of minerals like quartz, feldspar.