Marble Bar Geology

Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone.

Marble bar geology.

It is composed primarily of the mineral calcite caco 3 and usually contains other minerals such as clay minerals micas quartz pyrite iron oxides and graphite under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is. Historic mines along the eastern margin of the marble bar sub basin exploited pyritic gold bearing reefs as early as the late 1800 s. North of marble bar by looking at rock fabrics we discovered the remains of the oldest recorded gravitational overturn in the pilbara. Once we left the highway our first geological stop was to look at a granite tor which was not far off the road.

A granite tor part of the yule granitic complex. Marble is commonly used for sculpture and as a building material. The town was officially gazetted in 1893 following. It is well known for its extremely hot weather with a mean maximum temperature second only to wyndham western australia.

Great batholiths of very ancient granite are characteristic of this part of the pilbara. Horizontal waterfalls described by david attenborough as the 8th natural wonder of the world br br buccaneer archipelago home to 1 000 islands made of precambrian sandstone over 2 billion years old br br koolan and cockatoo island home to the world s richest iron ore deposits br br explore kooljaman at cape leveque with refreshments and a swim. Marble bar is a town and rock formation in the pilbara region of north western western australia. Geology enthusiasts should note the spectacular outcrops which incorporate some of the oldest archaean rocks in the world.

Founded in 1893 marble bar has earned a reputation as australia s hottest town owing to the consistently high temperatures experienced during the summer months when the mercury climbs over 38 degrees for days on end. The marble bar pool attracts an abundance of wildlife and is set in a beautiful and rugged landscape. The marble bar paleoplacer gold at marble bar novo is exploring for gold bearing conglomerates at the base of the fortescue group a thick sequence of ancient sedimentary and volcanic rocks. Originally the rock formation was thought to be marble hence the name but was later proven to be jasper.

Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. Built in in the former adams hotel in 1893 the victorian structure was painstakingly dismantled transported and reassembled in hilton sydney 1973 where the restored mahogany bar and marble archways still awe guests to this day. Geology map of marble bar area with our routes. In 1891 the town boasted a.