SANDSTONE AND SHALE KAMPUNG BAWANG

This is a compacted sandstone from Crocker Formation in Sabah. The sample has very fine to fine grains of minerals, mostly accommodated by higher concentration of quartz. Source : https://www.youtube.com/watch?v=ZN7221ZEKjY The term compacted is used to show that the rock had underwent burial at certain depth in the Earth, resulting into removal of the air spaces (porosity) and increasing the density of the rock. In this display, mud drapes or mud clasts are clearly visible (seen as the elongated dark grey traces, and most obvious in the left side of the display. The mud drapes indicates the rock was deposited in a tidal environment, which is part of the marine shore that was submerged and then was exposed again, due to the rise and falls of the sea. Commonly sandstone is widely used for construction industry

SANDSTONE AND SHALE, KOTA MARUDU SABAH

Source: https://www.youtube.com/watch?v=1MFRhSc9FFI This is also a sandstone, originated from Crocker Formation, Sabah. The rock has lighter grey in colour, slightly metamorphosed and do not preserved mud clasts or mud drapes as the previous sample. However, in the GRG of UTP , the sample preserved contact (boundary) between sandstone and mudstone. The mudstone is observed to be attached to the massive blocky sandstone. The mudstone attached to this sandstone is showing flute cast structure, indicating that water had flowed on top of this rock deposition (perhaps was underneath stream/river). Similar to the previous sample, this sandstone is also compacted and was subject to burial at certain depth. It is dominated with quartz, feldspar, mica and few other minerals. This rock is believed to be the main source of reservoir rocks for offshore Sabah oil and gas field

SEMI SUBMERSIBLE

A semi-submersible platform is a type of floating offshore drilling and production platform used in the oil and gas industry. These platforms are designed to operate in deep waters and provide a stable working environment even in harsh marine conditions. Semi-submersibles are named for their partially submerged structure, which gives them excellent stability and resistance to waves, wind, and currents