australia:wa:pilbara
Table of Contents
the Pilbara region of WA
see also:
Introduction
- covers an area of 507,896 km2 and has a population of around 45,000 (~15% identify as indigenous peoples)
- most live in the western third of the region, in towns such as Port Hedland, Karratha, Wickham, Newman and Marble Bar.
- contains some of Earth's oldest rock formations including:
- the stromatolites from from extinct cyanobacteria Pilbaria
- 3.4 billion-year-old sandstones at Strelley Pool, which preserve fossils of sulfur-processing bacteria
- 3byr old granites
- banded iron formation (BIF)
- landscapes of coastal plains and mountain ranges with cliffs and gorges
- region includes the drainages of the Murchison, Gascoyne, Ashburton, Fortescue, and De Grey rivers.
Brief history
- a large collection of World Heritage-listed petroglyphs at Murujuga near Dampier dated to thousands of yrs ago
- 1st mined in 1888 - Pilbara Goldfield but alluvial gold ran out by mid-1890s
- 1937, mining of asbestos commenced at Wittenoom Gorge.
- 1950s, three British nuclear weapons tests were carried out in the Montebello Islands, 130 km off the coast
- 1960's discovery of high-grade ore in the Hamersley Ranges
- off-shore liquified natural gas (LNG) through the North West Shelf Venture and Pluto LNG plant, both operated by Woodside
Three distinct geographic areas:
- Roebourne coastal sandplain - western third
- central third - inland uplands of the Pilbara Craton, including the predominant Hamersley Range which has a considerable number of mining towns, the Chichester Range and others
- KarijiniNP - some lovely gorges and refreshing waterholes, 4-6 day exploration 4WD trip consider base camp at Dales Campground
- Hamersley Gorge is 350km south of Port Hedland and 700km NE of Canarvon and 115km W of Dales Campground
- located near the asbestos mining ghost town of Whittenoom and the iron ore town of Tom Price
- eastern third is almost entirely desert - The Great Sandy Desert
australia/wa/pilbara.txt · Last modified: 2024/10/13 20:15 by gary1