Wednesday 8 April 2015 9 am to 5.30 pm
DMP Core Library (Perth)
37 Harris Street, Carlisle WA 6101
This one-day workshop will illustrate the wealth of objective mineralogical and lithological information available in HyLogging hyperspectral data obtained from GSWA’s diamond drillcore archives.
The workshop will include a comparison of HyLogger results and manual logging of core by workshop participants, for three quite varied Western Australian geological environments:
The presenter is Dr Jon Huntington, one of the principal architects of CSIRO’s HyLogging hardware and software systems. He will be assisted by GSWA Senior Geologist Dr Lena Hancock and CSIRO’s Dr Carsten Laukamp.
Registration is FREE but places are limited to 15 to 20 participants. Reservation is essential to secure your place, but please book only if you are sure that you will attend. A short waiting list will be maintained. Further workshops may be held if there is strong demand. Ample parking is available on site.
Contact: Deenikka (08) 9222 3634 or email firstname.lastname@example.org.
9:00 – 9:25 Introduction to the HyLogger and interpretation strategies - Jon Huntington
9:25 – 9:45 Basic spectral properties of rocks and minerals - Carsten Laukamp
9:45 – 10:15 Location and geological background of the selected drillcore - Lena Hancock, Jon Huntington and Carsten Laukamp
We will be using subsets of drillcore from three WA mineral deposits for which HyLogging data have been collected, processed and interpreted:
10:15 – 10:30 Morning tea
10:30 – 12:00 First (visual-only) core-logging exercise of drillcore (logging sheets provided), including small group tours of the GSWA HyLogger during the exercise
12:00 – 13:00 Lunch
13:00 – 14:30 HyLogging lithological-mineralogical data for each drillhole - Jon, Carsten and Lena with comments from participants
14:30 – 14:45 Afternoon tea
14:45 – 16:00 Second core-logging exercise, using HyLogging data while at the core
16:00 – 17:30 Discussion and feedback session, followed by optional hands-on and interactive TSG opportunity
The survey is one of several deep-crustal surveys done collaboratively between DMP and Geoscience Australia, as part of the Federal and State government co-funded National GeoTransect Program. The $3.65 million survey was funded by the Western Australian State Government's Royalties for Regions Exploration Incentive Scheme (EIS). Data processing was funded by the Australian Federal Government.
The objectives of this survey are to obtain a better understanding of the subsurface geology of the region, and how the Australian continent was assembled as a result of plate tectonic process over billions of years. Such knowledge obviously assists in identifying areas of petroleum, mineral and geosequestration potential.
The survey was conducted in May and June, 2014. It stretched 700 km across the full width of the Canning Basin, along the Great Northern Highway, and Derby and Gibb River Roads (see location map).
Nearly two terabytes of data were recorded by a convoy of about 20 vehicles with a crew of about 40 people. Three specialised Hemi-50 ‘vibro-seis’ trucks stopped every 40 metres and deployed large metal pads to create minute vibrations barely perceptible to people 100 metres away, but capable of penetrating through the crust and upper mantle to depths of up to 50 km. Reflected seismic energy from each stop was collected by 600 geophones spread over 12 km.
All of the processed data can be downloaded free of charge via WAPIMS (but it is voluminous!) or, alternatively, the full data package can be supplied upon request on a hard drive (at the cost of the hard drives).
GSWA, with assistance from Geoscience Australia, is commencing a detailed interpretation of the processed data.
Location of the Canning Coastal Seismic Survey
The Geological Survey of Western Australia (GSWA) offers FREE training in its databases and online systems. The training is in the form of a presentation with hands-on interaction in most systems.
The Kalgoorlie training is open to anyone.
Venue: Room 102 (computer lab), Goldfields Institute of Technology, Centre for Engineering and Mining Training (CEMT), Australian Prospectors and Miners Hall of Fame, Kalgoorlie
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Fieldnotes is a quarterly publication released by GSWA to provide the State's exploration industry and other geoscientists with an update on our latest work and ongoing programs. The publication provides updates on other GSWA products and services and is available free from the Information Centre located on the first floor of Mineral House, 100 Plain Street, East Perth 6004. Find past issues of Fieldnotes here or subscribe to receive a hard copy by emailing firstname.lastname@example.org.
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