Londonderry - Drysdale TMI (rtp) with northeast illumination

The Australian Geological Survey Organisation (AGSO) presents its solutions to mapping, GIS and image processing on the Internet. Software used is based on commercial and open source products. A distributed web mapping system is demonstrated, and concepts of distributed web mapping discussed. A model and prototype system for online delivery of satellite image data is presented. AGSO has been providing Internet access to spatial data since 1996. AGSO is the main repository for national geoscientific data, and services a wide range of clients across industry, government and the general public. Data provided range from point data, such as site descriptions and scientific analysis of samples, to line polygon and grid data, such as geological and geophysical surveys and associated maps. AGSO currently holds 500 MB of GIS data and a similar amount of image data on its web site, these data are expected to expand to a number of terabytes over the next few years. A primary role of AGSO is to provide its data to clients and stakeholders in as efficient a way as possible, hence its choice of Internet delivery. The major obstacle for supplying data of large volume over the Internet is bandwidth. Many AGSO clients are in remote locations with low bandwidth connections to the Internet. Possible solutions to this problem are presented. Examples of AGSO web tools are available at http://www.agso.gov.au/map/

Londonderry - Drysdale Potassium (red), Thorium (green), Uranium (blue) colour composite

Hyperspectral images from the Eastern Fold Belt of the Mount Isa Inlier, released by the collaborative Queensland NGMM project between GSQ and CSIRO, were validated as new tool for the detection of IOCG related alteration. High resolution of mineral maps derived from hyperspectral imaging (4.5m/pixel) enables the recognition of various types of hydrothermal alteration patterns and the localisation of fluid pathways. Groundtruthing of a suite of mineral maps was conducted in 2007. Though sample analyses in the lab is still in process, but some preliminary results already show some promising features. In summary hyperspectral images provide a powerful tool for the recognition of various hydrothermal alteration patterns and could be used in combination with other geophysical remote sensing data, such as radiometrics and magnetics. Limitations of this technique are defined by unsatisfactory coverage of mineral maps, man made features, river systems and distribution and composition of debris. A good knowledge of the local geology is necessary to extract the full information provided by the mineral maps. Calibration of ASTER data with the hyperspectral data can hopefully extend interpretation made from the HyMap data into adjacent areas, which are only covered by ASTER. 60pp final report and databases.

The Pine Creek GIS package has been prepared jointly by AGSO and the Northern Territory Survey for release in both digital and hard copy (atlas) formats. Based on the 1:500 000 geological map of the Pine Creek Geosyncline (2nd edition) published by BMR in 1984, the GIS has been supplemented where possible by recently acquired data from mapping in the Litchfield, Katherine, and South Alligator areas. The aim of this project was to bring together almost 45 years of regional mapping projects by both organisations by integrating existing hard copy geological maps and other relevant geoscientific data into a digital Metallogenic Geographic Information System (GIS).

If colour TMI map is purchased with greyscale TMI map the price is $269.80 (inc GST) for both

Legacy product - no abstract available

This class set of 10 Discovering Remote Sensing student manuals is designed to be used in conjunction with the Discovering Remote Sensing kit, catalogue item 30832. Each student manual contains; - background text covering concepts of resolution, scale, radiation, spectral bands, reflectance, false colour and much more. Images used in the kit use platforms such as NOAA, Landsat TM and SPOT. The manuals also include an activity based around Geoscience Australia's web-based satellite image processor. - twelve reproducible student activities - one set of five A4 image cards used with the student activities. Please note - the student examination and answers to the student activities are not included in the student manuals. These are available in item 30832. Ten sets of 5 images cards are also available in a bulk set for purchase separately (catalogue item 30842). Suitable for secondary levels Years 8-12

No abstract available

Legacy product - no abstract available