• EveningStar open pit Mount Magnet October. Bob Watchorn sketch 1987.
  • Leonora giant ring structure on Landsat.
  • Yilgarn surficial geology showing Cauden giant ring structure. Blewett 2004
    Yilgarn surficial geology showing Cauden giant ring structure. Blewett 2004
  • Yamarna giant ring cluster
  • Jack Towers cottage Mt Magnet bob Watchorn Sketch October 1987
  • Hannans Brown Hill shaft Kalgoorlie, 1894 Bob Watchorn sketch 1996
  • Wogarno shearing shed, Kirkalocka. WASO recital 1991. Bob Watchorn Sketch, 1991
  • Great Boulder Early Shafts 1893. Bob Watchorn Sketch 1997
  • Mt Bischoff water cannon 1895. largest tin mine in world at that time. Kick started Tasmania's economy.
  • The Olgas Kata Tjudata, from the west 1996. Bob Watchorn Sketch 1996.
  • Kalgoorlie Baptist Church, Bob Watchorn Sketch 1998
  • Cooktown Queensland from Grassy Hill to the south. Bob Watchorn sketch 2006
  • Cliff Dweller houses, Arizona USA Bob Watchorn sketch 2006
  • Barnhill Station Bungles Kimberly Western Australia. Bob Watchorn Sketch 2009
  • Cattle truck Hillside Station Pilbara Western Australia. Bob Watchorn Sketch 2009
  • Balcony overlooking Port Hedland bay Pilbara. Bob Watchorn Sketch 2009
  • Hobart from Lance and Shirley Watchorn's balcony. Bob Watchorn sketch 1999.
  • Evening Star open pit Mt Magnet. Bob Watchorn Sketch 1987
  • Silver Lake Shaft WMC Kambalda. First big Nickel mine in Australia Bob Watchorn Sketch 1996
  • Silver Lake Shaft WMC Kambalda. First big Nickel mine in Australia Bob Watchorn Sketch 1996
  • Cooktown from Grassy Hill on the Endeavor river, Queensland. Bob Watchorn Sketch 2006
  • Cooktown from Grassy Hill on the Endeavor river, Queensland. Bob Watchorn Sketch 2006
  • Fishing boat harbour. Albany 2006
  • Fishing boat harbour. Albany 2006
  • Shalom retreat, Manjimup Western Australia 2003
  • Victory-defiance open pit Kambalda. Bob Watchorn Sketch 1994
  • Hill 50 main shaft, Mt Magnet western Australia. Bob Watchorn Sketch 1987
  • Perth, Western Australia from beneath Mt Henry Bridge, Mt Pleasant. Bob Watchorn Sketch 1999
  • The granites, Mt Magnet, Western Australia. Bob Watchorn Sketch 1987.
  • Two intrepid divining-rod prospectors, Peter Cook and Donald Thompson, Wingellina nickel project, Western Australia 2006
  • Brown Hill Shaft. Mt Magnet, Western Australia. Bob Watchorn sketch 1988.
  • Brown Hill Shaft. Mt Magnet, Western Australia. Bob Watchorn sketch 1988.
  • Eclipse mine shaft Mt Magnet. Bob Watchorn sketch 1987.
  • Eclipse mine shaft Mt Magnet. Bob Watchorn sketch 1987.
  • Boogardie State Battery, Mt Magnet, Western Australia. Bob Watchorn Sketch 1988
  • Boogardie State Battery, Mt Magnet, Western Australia. Bob Watchorn Sketch 1988
  • Great Boulder main shaft Kalgoorlie, Western Australia 1903. Bob Watchorn Sketch 1997.
  • Great Boulder main shaft Kalgoorlie, Western Australia 1903. Bob Watchorn Sketch 1997.
  • Hesperus Dawn Gold Mine Ruins, Mt Magnet, western Australia. Bob Watchorn sketch 1997.
  • Hesperus Dawn Gold Mine Ruins, Mt Magnet, western Australia. Bob Watchorn sketch 1997.
  • Edward Carson shaft, Mt Magnet, Western Australia. Bob Watchorn sketch 1988.
Figure 29. Pilbara Seismic tomography, 300 km depth.

10. Pilbara Craton structural geology, mineralisation and Exploration Targeting. Western Australia. (Part 10).

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Figure 29 above. Pilbara Seismic tomography, 300 km depth. Geology and mineralisation, Exploration targeting based on maximum P/T gradient. This figure has had the high P/T boundaries marked out in … [Read More]

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Figure 25. Barrambie ring uranium vanadium occurrance and targeting.

Mineral districts in the Yilgarn craton that seem to have a specific near surface ring source. (Part 9).

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Figure 25 above. Barrambie Ring uranium vanadium occurrence and exploration targeting. This figure shows the 500 km diameter Barrambie ring structure near Sandstone. Nearly all the Yilgarn Craton’s vanadium and … [Read More]

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Figure 24. NE Yilgarn Gruyere Tropicana Witwatersrand analogue targeting.

Exploration targeting by using a Witwatersrand analogy in the NE Yilgarn WA. (Part 8).

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Figure 24 above. NE Yilgarn Gruyere/Tropicana Witwatersrand analogy targeting. The webinar form which these notes are taken is at  https://www.youtube.com/watch?v=bFurQYhWjyk This figure shows a hypothetical model of the Witwatersrand. The … [Read More]

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