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Prospectivity mapping for orogenic gold in South-East ...
ice-free onshore, adjacent offshore and ice-covered areas; however, only accessible ice-free areas were considered in the evaluation of prospectivity maps (Figs 3A, B). There are uncertainties in all steps of the mineral prospecitivity mapping procedure (McCuaig et al. 2010), and it is important to test how reliable the final prospectiv-ity ...
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(PDF) Boosting for Mineral Prospectivity …
VMS prospectivity map created with 130 training deposits (black) with BrownBoost (a), LR (b), SVM (c) and RF (d). Map of distance to undifferentiated metamorphic rocks, color classification for ...
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(PDF) Deriving optimal exploration target zones on mineral ...
Download Free PDF. Download Free PDF. Deriving optimal exploration target zones on mineral prospectivity maps1. 2000. Pravesh Debba. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper. Download PDF.
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(PDF) Application of GIS Processing Techniques …
A Geographic Information System (GIS) is used to prepare and process digital geoscience data in a variety of ways for producing gold prospectivity maps of the Swayze greenstone belt, Ontario, Canada.
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(PDF) PREDICTIVE BEDROCK AND MINERAL …
Download Free PDF. Download Free PDF. PREDICTIVE BEDROCK AND MINERAL PROSPECTIVITY MAPPING IN THE GIYANI GREENSTONE BELT, SOUTH AFRICA. Martiya Sadeghi. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.
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Data & Publications | Geoscience Australia
· Geoscience Australia is the national public sector geoscience organisation. Its mission is to be the trusted source of information on Australia's geology and geography to inform government, industry and community decision-making. The work of Geoscience Australia covers the Australian landmass, marine jurisdiction and territories in Antarctica.
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Mineral prospectivity mapping with weights of …
• The prospectivity map obtained by the fuzzy logic model indicates a strong correlation between areas of high posterior probabilities and known Au deposits, indicating that the nine evidential layers used in this study area are valid. Based on the quantification …
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(PDF) Gold prospectivity maps of the Red Lake …
mineral prospectivity maps can be generated that highlight potential exploration targets on a regional scale. In this paper, key components of the Archean lode gold deposit model for the Red Lake ...
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Predictive mapping of prospectivity for orogenic gold ...
We present a mineral systems approach to predictive mapping of orogenic gold prospectivity in the Giyani greenstone belt (GGB) by using layers of spatial evidence representing district-scale processes that are critical to orogenic gold mineralization, namely (a) source of metals/fluids, (b) active pathways, (c) drivers of fluid flow and (d) metal deposition.
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(PDF) Support vector machine: A tool for mapping mineral ...
IntroductionMapping of mineral prospectivity is crucial in mineral resources exploration and mining. It involves integration of information from diverse geoscience datasets including geological data (e.g., geological map), geochemical data (e.g., stream sediment geochemical data), geophysical data (e.g., magnetic data) and remote sensing data (e.g., multispectral satellite data).
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Data- and knowledge-driven mineral prospectivity maps …
· Data- and knowledge-driven techniques are used to produce regional Au prospectivity maps of a portion of Melville Peninsula, Northern Canada using geophysical and geochemical data. These basic datasets typically exist for large portions of Canada's North and are suitable for a "greenfields" exploration programme.
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(PDF) Application of a Maximum Entropy Model for …
· The effective integration of geochemical data with multisource geoscience data is a necessary condition for mapping mineral prospects. In the …
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From Predictive Mapping of Mineral Prospectivity to ...
The maps used as spatial evidence layers for predictive mapping of prospectivity for HACD in the island are the lithologic map, maps of distances to Batalay Intrusives, NE- and N-trending faults/fractures and catchment basin map of anomalous geochemical signature .
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Mineral prospectivity mapping with weights of evidence …
Knowledge-and data-driven approaches are two major methods used to integrate various evidential maps for mineral prospectivity mapping (MPM). Geological maps, geochemical samples and data from known gold deposits were collected in the western Junggar area, Xinjiang Province. The geological and a spatial database for geological and mineral occurrences were constructed for the studied region.
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(PDF) Predictive mapping of prospectivity for orogenic ...
We present a mineral systems approach to predictive mapping of orogenic gold prospectivity in the Giyani green-stone belt (GGB) by using layers of spatial evidence representing district-scale processes that are critical to oro-genic gold
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(PDF) A MaxEnt Model for Mineral Prospectivity Mapping
· Binary map showing high and low favorable zones based on the P–A plot analysis. 311 A MaxEnt Model for Mineral Prospectivity Mapping tools (e.g., MaxEnt software) in terms of interpreting
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Minerals | Free Full-Text | Prospectivity Mapping for ...
The Mid-Atlantic Ridge belongs to slow-spreading ridges. Hannington predicted that there were a large number of mineral resources on slow-spreading ridges; however, seafloor massive sulfide deposits usually develop thousands of meters below the seafloor, which make them extremely difficult to explore. Therefore, it is necessary to use mineral prospectivity mapping to narrow the exploration ...
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(PDF) CATALOG OF PROSPECTIVITY MAPS OF SELECTED …
Join for free. Public Full-text 1 ... of knowledge about the controls of mineralization acquired from the 4D geological modeling into 2D spatial predictor maps is a major challenge for ...
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UKOGL Archives | UK Onshore Geophysical Library
Free Resources In addition to the digital archive available under Licence, the Library is also able to provide free access to an extensive range of associated imagery, reports, maps and information, either through the Supplemental Resources links to the right of this page or via the UKOGL Interactive Map.
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Reservoir hydrocarbon prospectivity and productivity ...
Reservoir S-700 hydrocarbon distribution and prospectivity structural surface maps. Location of A-A′ cross-section for Fig. 11 is marked. (A) Structural depth surface map showing the various reservoir blocks with fluid distribution and new prospects identified (B) Structural surface amplitude map that shows structurally conformable amplitudes ...
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(PDF) Boosting for Mineral Prospectivity …
VMS prospectivity map created with 130 training deposits (black) with BrownBoost (a), LR (b), SVM (c) and RF (d). Map of distance to undifferentiated metamorphic rocks, color …
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[PDF] Geochemical Anomaly and Mineral Prospectivity ...
The book documents and explains, in three parts, geochemical anomaly and mineral prospectivity mapping by using a geographic information system (GIS). Part I reviews and couples the concepts of (a) mapping geochemical anomalies and mineral prospectivity and (b) spatial data models, management and operations in a GIS. Part II demonstrates GIS-aided and GIS-based techniques for analysis of ...
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Sensitivity analysis of prospectivity modeling to evidence ...
· In this regard, three groups of evidence maps were determined based on ROC analysis and then, for performance evaluation of MLP-ANN and MLP-GA-ANN in generation of mineral prospectivity models in the study area, six predictive models were created based on the contribution of: (1) AELs (AUC > 0.5) (14 evidence maps), (2) EELs (AUC > 0.7) (11 ...
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Data- and knowledge-driven mineral prospectivity maps …
Mineral Prospectivity Mapping (MPM) is a multifaceted process relying heavily on experts' judgments. Notwithstanding the importance of human interpretations and cognitive knowledge in the success of exploration projects, human input, granted, is material to cognitive heuristics, subjectivity, and mental traits of geologists involved in the various stages of MPM.
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Improved Wildcat Modelling of Mineral Prospectivity ...
· (a) Regional geotectonic map of the Philippine archipelago. (b) Sketch of regional strike‐slip faults near and cutting through Masbate Island (Philippines) (adapted from Aurelio et al., 1991, 1997), where the Aroroy district is situated.(c) Simplified geological map of the Aroroy district (adapted/compiled from 1:50,000 scale maps from Baybayan & Matos, (1986), JICA‐MMAJ (1986) and several ...
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Maps of Australia | Geoscience Australia
· Geoscience Australia is the national public sector geoscience organisation. Its mission is to be the trusted source of information on Australia's geology and geography to inform government, industry and community decision-making. The work of …
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Mineral Prospectivity Prediction via Convolutional Neural ...
· Today's era of big data is witnessing a gradual increase in the amount of data, more correlations between data, as well as growth in their spatial dimension. Conventional linear statistical models applied to mineral prospectivity mapping (MPM) perform poorly because of the random and nonlinear nature of metallogenic processes. To overcome this performance degradation, deep …
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Minerals | Free Full-Text | Prospectivity Mapping …
In this paper, the radial basis function neural network (RBFNN) is used to generate a prospectivity map for undiscovered copper-rich (Cu) deposits in the Finnmark region, northern Norway. To generate the input data for RBFNN, geological and geophysical …
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