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TargetMapTM
"They said it was just another filter ... then they saw the drill targets!"
TargetMapTM is a pattern-recognition algorithm that enhances two-dimensional survey data such
as ground and airborne magnetics, gravity, radiometrics, EM, satellite imagery and geochemistry. It targets
and maps linear and curvilinear features related to rock formations and geological structures, and resolves
detail in an overburden. It can also "see through" the masking effects of an overburden to target and map
features in the underlying geology.
TargetMap TM colour brochure (758 KB)
TargetMapTM is used by geologists to quickly analyse complex survey data to produce more
accurate geological models. It is being used by Government Geological Surveys for regional geological
mapping and by mineral and petroleum explorers to identify drill targets in a wide variety of geological
environments. It is also being used in groundwater and salinity studies and has found application in a wide
variety of geological environments.
TargetMapTM benefits geologists and explorers by:
increasing the resolution of a wide range of geological features;
helping to identify drill targets; and
reducing the time and cost of analysing survey data.
TargetMapTM is a new standard in geophysical data processing -- another innovation from the
research laboratory of Vector Research.
Further details about TargetMapTM and a description of its output products are given in Vector
Research Technical Note No. 2 downloadable below. A number of TargetMapTM case histories can also be downloaded below. These compare the raw survey data with
the various TargetMapTM responses and demonstrate the superior resolution of TargetMapTM.
Specialised data processing using TargetMapTM is available only from Vector Research in Perth,
Western Australia. Processing costs are based on the volume of survey line data processed; i.e. the survey
line distance measured in kilometres. To convert survey area to survey line distance use the conversion
factors given in Vector Research Technical Note No. 6, downloadable below.
To discuss your TargetMapTM data-processing requirements contact Stephen Mudge of Vector Research.
TargetMapTM is a trade mark of Vector Research Pty Ltd.
TargetMapTM was previously known as the Overburden FilterTM. Following suggestions
from many users, the name has been changed to better reflect its full targeting and mapping capabilities.
The following PDF files provide more-detailed information.
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Technical note # 2: about TargetMapTM
A three-page description of TargetMapTM (112 KB).
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Technical note # 6: convert survey area to survey line distance
A one-page technical note describing how to convert a survey area in square kilometres to a
survey line distance in kilometres (83 KB).
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Case history # 1: heavy mineral sands
OUYEN - KULWIN area, Murray Basin, Victoria, Australia (240 KB)
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Case history # 2: maghemite overburden
COBAR area, West Lachlan Fold Belt, New South Wales, Australia (362 KB)
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Case history # 3: banded iron formation
SANDSTONE, Yilgarn Craton, Western Australia (261 KB)
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Case history # 4: basalt overburden
CLERMONT area, Bowen Basin, Queensland, Australia (372 KB)
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Case history # 5: basalt overburden
GUILDFORD area, North-west Tasmania, Australia (540 KB)
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Case history # 6: radiometrics
RENISON - ROSEBERY area, Mt Read Volcanics, Western Tasmania, Australia (182 KB)
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Case history # 7: magnetite ironstones in magnetic stratigraphy
TENNANT CREEK gold field, Tennant Creek Inlier, Northern Territory, Australia (229 KB)
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Case history # 8: noisy ground magnetics
GYMPIE gold field, New England Fold Belt, Queensland, Australia (204 KB)
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Case history # 9: greenstone belt
BLAIR, Yilgarn Craton, Western Australia (430 KB)
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Case history # 10: greenstone belt
SCOTIA, Yilgarn Craton, Western Australia (421 KB)
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The documents above are in PDF format. They can be viewed using
Adobe’s free Adobe Reader software. You probably already have this
installed on your computer, but if not, you can grab a free copy here:
www.adobe.com/products/acrobat/readstep2.html.
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