Mapping of prospectivity and estimation of number of undiscovered prospects for lode gold, southwestern Ashanti Belt, Ghana
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Abouchami W, Boher M, Michard A, Albarede F (1990) A major 2.1 Ga old event of mafic magmatism in West Africa: an early stage of crustal accretion. J Geophys Res 95:17605–17629
Agterberg FP, Bonham-Carter GF (2005) Measuring performance of mineral-potential maps. Nat Resour Res 14(1):1–17
Agterberg FP, Bonham-Carter GF, Wright DF (1990) Statistical pattern integration for mineral exploration. In: Gaál G, Merriam DF (eds) Computer applications in resource estimation. Pergamon, Oxford, pp 1–21
Agterberg FP, Bonham-Carter GF, Cheng Q, Wright DF (1993a) Weights of evidence modeling and weighted logistic regression in mineral potential mapping. In: Davis JC, Herzfeld UC (eds) Computers in geology. Oxford University Press, New York, pp 13–32
Agterberg FP, Cheng Q, Wright DF (1993b) Fractal modeling of mineral deposits. Proceedings of the 24th APCOM Symposium, Can Inst Min Met Petr Eng, vol 1, pp 43–53
Allibone AH, McCuaig TC, Harris D, Etheridge MA, Munroe S, Byrne D, Amanor J, Gyapong W (2002a) Structural controls on gold mineralization at the Ashanti gold deposit, Obuasi, Ghana. In: Goldfarb RJ, Neilson RL (eds), Integrated methods for discovery: global exploration in the 21st century. Society of Economic Geologists Special Publication 9, pp 65–93
Allibone A, Teasdale J, Cameron G, Etheridge MA, Uttley P, Soboh A, Appiah-Kubi J, Adanu A, Arthur R, Mamphey J, Odoom B, Zuta J, Tsikata A, Pataye F, Famiyeh S (2002b) Timing and structural controls on gold mineralization at the Bogoso gold mine, Ghana, West Africa. Econ Geol 97:949–969
An P, Moon WM, Bonham-Carter GF (1994) Uncertainty management in integration of exploration data using the belief function. Nonrenew Resour 3:60–71
Attoh K, Evans ME, Bickford ME (2006) Geochemistry of an ultramafic-rodingite rock association in the Paleoproterozoic Dixcove Greenstone Belt, southwestern Ghana. J Afr Earth Sc 45:333–346
Austin JR, Blenkinsop TG (2009) Local to regional scale structural control on mineralisation and the importance of a major lineament in the eastern Mount Isa Inlier, Australia: review and analysis with autocorrelation and weights of evidence. Ore Geol Rev 35:298–316
Blenkinsop TG (1994) The fractal distribution of gold deposits. In: Kruhl JE (ed) Fractals and dynamic systems in geoscience. Springer, Heidelberg, pp 247–258
Blenkinsop TG (1995) Fractal measures for size and spatial distributions of gold mines: economic applications. In: Blenkinsop TG, Tromp PL (eds) Sub-Saharan economic geology. Geological Society of Zimbabwe Special Publication 3. Balkema, , Rotterdam, pp 177–186
Blenkinsop TG, Sanderson D (1999) Are gold deposits in the crust fractals? A study of gold mines in the Zimbabwe craton. Geol Soc London Spec Publ 155:141–151
Blenkinsop TG, Mumm AS, Kumi R, Sangmor S (1994) (Structural) geology of the Ashanti Mine. In: Oberthür T (ed) Metallogenesis of selected gold deposits in Africa. Geologisches Jahrbuch D100, pp 131–153
Bliss JD (1992) Grade-tonnage and other models for diamond kimberlite pipes. Nonrenew Resour 1:214–230
Bliss JD, Menzie WD (1993) Spatial mineral-deposit models and the prediction of undiscovered mineral deposits. Geol Assoc Can Spec Pap 40:693–706
Boher M, Michard A, Albarede F, Rossi M, Milési JP (1992) Crustal growth in West Africa at ca 2.1 Ga. J Geophys Res 97(B1):345–369
Bonham-Carter GF (1994) Geographic information systems for geoscientists: modelling with GIS. Pergamon, Ontario, p 398
Bonham-Carter GF, Rogers PJ, Ellwood DJ (1987) Catchment basin analysis applied to surficial geochemical data, Cobequid Highlands, Nova Scotia. J Geochem Explor 29:259–278
Bonham-Carter GF, Agterberg FP, Wright DF (1989) Weights of evidence modeling: a new approach to mapping mineral potential. In: Agterberg FP, Bonham-Carter GF (eds) Statistical approach in the earth sciences. Geological Survey of Canada, Paper 89-9, pp 171–183
Boots BN, Getis A (1988) Point pattern analysis. Sage University scientific geography series no. 8. Sage, Beverly Hills, p 93
Brown WM, Gedeon TD, Groves DI, Barnes RG (2000) Artificial neural networks: a new method for mineral prospectivity mapping. Aust J Earth Sci 47:757–770
Carranza EJM (2002) Geologically-constrained mineral potential mapping (examples from the Philippines). PhD thesis, Delft University of Technology, The Netherlands. ITC (International Institute for Geo-Information Science and Earth Observation) publication no. 86, Enschede, p 480
Carranza EJM (2008) Geochemical anomaly and mineral prospectivity mapping in GIS. Handbook of exploration and environmental geochemistry, vol 11. Elsevier, Amsterdam, p 351
Carranza EJM (2009a) Controls on mineral deposit occurrence inferred from analysis of their spatial pattern and spatial association with geological features. Ore Geol Rev 35:383–400
Carranza EJM (2009b) Objective selection of suitable unit cell size in data-driven modeling of mineral prospectivity. Comput Geosci doi: 10.1016/j.cageo.2009.02.008
Carranza EJM, Hale M (1997) A catchment basin approach to the analysis of geochemical–geological data from Albay province, Philippines. J Geochem Explor 60:157–171
Carranza EJM, Hale M (2001) Logistic regression for geologically constrained mapping of gold potential, Baguio district, Philippines. Explor Min Geol 10:165–175
Carranza EJM, Hale M (2002) Spatial association of mineral occurrences and curvi-linear geological features. Math Geol 34:199–217
Carranza EJM, Hale M (2003) Evidential belief functions for geologically constrained mapping of gold potential, Baguio district, Philippines. Ore Geol Rev 22:117–132
Carranza EJM, Woldai T, Chikambwe EM (2005) Application of data-driven evidential belief functions to prospectivity mapping for aquamarine-bearing pegmatites, Lundazi district, Zambia. Nat Resour Res 14:47–63
Carranza EJM, Hale M, Faassen C (2008a) Selection of coherent deposit-type locations and their application in data-driven mineral prospectivity mapping. Ore Geol Rev 33:536–558
Carranza EJM, Wibowo H, Barritt SD, Sumintadireja P (2008b) Spatial data analysis and integration for regional-scale geothermal potential mapping, West Java, Indonesia. Geothermics 33:267–299
Cheng Q, Agterberg FP (1995) Multifractal modeling and spatial point processes. Math Geol 27:831–845
Cheng Q, Agterberg FP, Bonham-Carter GF (1996) Fractal pattern integration for mineral potential estimation. Nonrenew Resour 5:117–130
Chung CF, Agterberg FP (1980) Regression models for estimating mineral resources from geological map data. Math Geol 12:472–488
Cox DP (1993) Estimation of undiscovered deposits in quantitative mineral resource assessments: examples from Venezuela and Puerto Rico. Nonrenew Resour 2:82–91
Dampare SB, Shibata T, Asiedu DK, Osae S, Banoeng-Yakubo B (2008) Geochemistry of Paleoproterozoic metavolcanic rocks from the southern Ashanti volcanic belt, Ghana: petrogenetic and tectonic setting implications. Precambrian Res 162:403–423
Davis DW, Hirdes W, Schaltegger E, Nunoo EA (1994) U/Pb age constraints on deposition and provenance of Birimian and gold-bearing Tarkwaian sediments in Ghana, West Africa. Precambrian Res 67:89–107
Dempster AP (1967) Upper and lower probabilities induced by a multivalued mapping. Ann Math Stat 38:325–339
Dempster AP (1968) A generalization of Bayesian inference. J R Stat Soc B30:205–247
Drew LJ, Menzie WD (1993) Is there is metric for mineral deposit occurrence probabilities? Nonrenew Resour 2:92–105
Dzigbodi-Adjimah K (1993) Geology and geochemical signature patterns of the Birimian gold deposits, Ghana, West Africa. J Geochem Explor 47:303–320
Eisenlohr BN (1992) Conflicting evidence on the timing of mesothermal and paleoplacer gold mineralisation in early Proterozoic rocks from southwest Ghana, West Africa. Miner Deposita 27:23–29
Eisenlohr BN, Hirdes W (1992) The structural development of the early Proterozoic Birimian and Tarkwaian rocks of southwest Ghana, West Africa. J Afr Earth Sc 14:313–325
Feybesse JL, Milési JP (1994) The Archaean/Proterozoic contact zone in West Africa: a mountain belt of décollement thrusting and folding on a continental margin related to 2.1 Ga convergence of Archaean cratons. Precambrian Res 69:199–227
Feybesse JL, Billa M, Guerrot C, Duguey E, Lescuyer JL, Milési JP, Bouchot C (2006) The paleoproterozoic Ghanaian province: geodynamic model and ore controls, including regional stress modeling. Precambrian Res 149:149–196
Ford A, Blenkinsop TG (2008) Combining fractal analysis of mineral deposit clustering with weights of evidence to evaluate patterns of mineralization: application to copper deposits of the Mount Isa Inlier, NW Queensland, Australia. Ore Geol Rev 33:435–450
Griffis RJ (1998) Explanatory notes—geological interpretation of geophysical data from Southwestern Ghana. Minerals Commission, Accra, p 51
Griffis RJ, Barning K, Agezo FL, Akosah FK (2002) Gold deposits of Ghana. Minerals Commission, Accra, p 430
Hanna SS, Fry N (1979) A comparison of methods of strain determination in rocks from southwest Dyfed (Pembrokeshire) and adjacent areas. J Struct Geol 1:155–162
Harcouët V, Guillou-Frottier L, Bonneville A, Bouchot V, Milési JP (2007) Geological and thermal conditions before the major Paleoproterozoic gold-mineralization event at Ashanti, Ghana, as inferred from improved thermal modeling. Precambrian Res 154:71–87
Harris DP, Pan G (1999) Mineral favorability mapping: a comparison of artificial neural networks, logistic regression and discriminant analysis. Nat Resour Res 8:93–109
Harris DP, Zurcher L, Stanley M, Marlow J, Pan G (2003) A comparative analysis of favourability mappings by weights of evidence, probabilistic neural networks, discriminant analysis, and logistic regression. Nat Resour Res 12:241–255
Hill DP (1977) A model for earthquake swarms. J Geophys Res 82(B8):347–352
Hodkiewicz PF, Weinberg RF, Gardoll SJ, Groves DI (2005) Complexity gradients in the Yilgarn Craton: fundamental controls on crustal-scale fluid flow and formation of world-class orogenic-gold deposits. Aust J Earth Sci 52:831–841
Jaeger JC, Cook NG, Zimmermann RB (2007) Fundamentals of rock mechanics, 4th edn. Blackwell, Malden, p 475
John T, Klemd R, Hirdes W, Loh G (1999) The metamorphic evolution of the Paleoproterozoic (Birimian volcanic Ashanti Belt (Ghana, West Africa). Precambrian Res 98:11–30
Klemd R, Hirdes W, Olesch M, Oberthür T (1993) Fluid inclusions in quartz-pebbles of the gold-bearing Tarkwaian conglomerates of Ghana as guides to their provenance area. Miner Deposita 28:334–343
Kreuzer OP, Blenkinsop TG, Morrison RJ, Peters SG (2007) Ore controls in the Charters Towers goldfield, NE Australia: constraints from geological, geological and numerical analyses. Ore Geol Rev 32:37–80
Leube A, Hirdes W, Mauer R, Kesse GO (1990) The Early Proterozoic Birimian Supergroup of Ghana and some aspects of its associated gold mineralization. Precambrian Res 46:139–165
Loh G, Hirdes W (1996) Explanatory Notes for the Geological Map of Southwest Ghana—1:100,000: sheets Sekondi (0402A) and Axim (0403B). Ghana Geol Surv Bull 49:63
Mandelbrot BB (1983) The fractal geometry of nature (updated and augmented edition). Freeman, New York, p 495
Mandl G (1988) Mechanics of tectonic faulting. Elsevier, Amsterdam, p 407
McCammon RB, Kork JO (1992) One-level prediction—a numerical method for estimating undiscovered metal endowment. Nonrenew Resour 1:139–147
McCammon RB, Finch WI, Kork JO, Bridges NJ (1994) An integrated data-directed numerical method for estimating the undiscovered mineral endowment in a region. Nonrenew Resour 3:109–122
Milési JP, Ledru P, Ankrah P, Johan V, Marcoux E, Vinchon C (1991) The metallogenic relationship between Birimian and Tarkwaian gold deposits in Ghana. Miner Deposita 26:228–238
Milési JP, Ledru P, Feybesse JL, Dommanget A, Marcoux E (1992) Early Proterozoic ore deposits and tectonics of the Birimian orogenic belt, West Africa. Precambrian Res 58:305–344
Mondlane S, Dirks P, Jelsma H, Blenkinsop TG (2006) Distribution patterns of gold deposits in the Archaean Manica–Mutare–Odzi greenstone belt. Gondwana Res 4:707–708
Mumin AH, Fleet ME (1995) Evolution of gold mineralization in the Ashanti Gold Belt, Ghana: evidence from carbonate compositions and parageneses. Miner Petrol 55:265–280
Mumin AH, Fleet ME, Chryssoulis SL (1994) Gold mineralization in As-rich mesothermal gold ores of the Bogosu–Prestea mining district of the Ashanti Gold Belt, Ghana: remobilization of “invisible” gold. Miner Deposita 29:445–460
Mumin AH, Fleet ME, Longstaffe FJ (1996) Evolution of hydrothermal fluids in the Ashanti gold belt, Ghana: stable isotope geochemistry of carbonates, graphite and quartz. Econ Geol 91:135–148
Oberthür T, Weiser T, Amanor JA, Chryssoulis SL (1996) Mineralogical siting and distribution of gold in quartz veins and sulfide ores of the Ashanti mine and other deposits in the Ashanti Belt of Ghana: genetic implications. Miner Depos 32:2–15
Oberthür T, Schmidt-Mumm A, Vetter U, Simon K, Amanor JA (1997) Gold mineralization in the Ashanti Belt of Ghana: genetic constraints of the stable isotope geochemistry. Econ Geol 91:289–301
Oberthür T, Vetter U, Davis DW, Amanor JA (1998) Age constraints on the gold mineralization and Paleoproterozoic crustal evolution in the Ashanti Belt of southern Ghana. Precambrian Res 89:129–143
Opare-Addo E, Browing P, John BE (1993) Pressure–temperature constraints on the evolution of an early Proterozoic plutonic suite in southern Ghana, West Africa. J Afr Earth Sc 17:13–22
Owusu EA, Woldai T, Barritt S, Carranza EJM, Hale M (2006) Spatial association of gold deposits with remotely-sensed lineaments, South Ashanti Belt, Ghana. In: AARSE 2006, Proceeding of the 6th African Association of Remote Sensing of the Environment International Conference on Earth Observation and Geoinformation Sciences in Support of Africa’s Development, 30 October–2 November 2006, Cairo, Egypt, 8 pp. ISBN 1-920-01710-0
Pan GC, Harris DP (2000) Information synthesis for mineral exploration. Oxford University Press, New York, p 461
Pigois JP, Groves DI, Fletcher IR, McNaughton NJ, Snee LW (2003) Age constraints on Tarkwaian paleoplacer and lode-gold formation in the Tarkwa-Damang district, SW Ghana. Miner Deposita 38:695–714
Porwal A (2006) Mineral potential mapping with mathematical geological models. PhD thesis, University of Utrecht, The Netherlands. ITC (International Institute for Geo-Information Science and Earth Observation) publication no. 130, Enschede, p 289
Porwal A, Carranza EJM (2008) Classifiers for modelling of mineral potential. In: Pourret O, Naïm P, Marcot B (eds) Bayesian networks: a practical guide to applications. Wiley, Chichester, pp 149–171
Porwal A, Carranza EJM, Hale M (2003) Artificial neural networks for mineral-potential mapping: a case study from Aravalli Province, Western India. Nat Resour Res 12:155–171
Porwal A, Carranza EJM, Hale M (2004) A hybrid neuro-fuzzy model for mineral potential mapping. Math Geol 36:803–826
Porwal A, Carranza EJM, Hale M (2006) Bayesian network classifiers for mineral potential mapping. Comput Geosci 32:1–16
Raines GL (2008) Are fractal dimensions of the spatial distribution of mineral deposits meaningful? Nat Resour Res 17:87–97
Raines GL, Mihalasky MJ (2002) A reconnaissance method for delineation of tracts for regional-scale mineral-resource assessment based on geologic-map data. Nat Resour Res 11:241–248
Raines GL, Connors KA, Chorlton LB (2007) Porphyry copper deposit tract definition—a global analysis comparing geologic map scales. Nat Resour Res 16:191–198
Reddy RKT, Agterberg FP, Bonham-Carter GF (1991) Application of GIS-based logistic models to base-metal potential mapping in Snow Lake area, Manitoba. Proceedings of the Canadian Conference on GIS, 18–22 March 1991, Ottawa, Canada, pp 607–618
Robb LJ, Yao Y, Armstrong RA, Murphy PJ (1999) Gold in the Birimian granites of Ghana: a metamorphic origin. In: Stanley CJ et al (eds) Mineral deposits: processes to processing. Balkema, Rotterdam, pp 1033–1046
Rowlingson B, Diggle P (1993) Splancs: spatial point pattern analysis code in S-plus. Comput Geosci 19:627–655
Scott M, Dimitrakopoulos R (2001) Quantitative analysis of mineral resources for strategic planning: implications for Australian Geological Surveys. Nat Resour Res 10:159–177
Shen W, Zhao P (2002) Theoretical study of statistical fractal model with applications to mineral resource prediction. Comput Geosci 28:369–376
Sibson RH (1987) Earthquake rupturing as mineralizing agent in hydrothermal systems. Geology 15:701–704
Sibson RH (1996) Structural permeability of fluid-driven fault–fracture meshes. J Struct Geol 18:1031–1042
Sibson RH (2000) Tectonic controls on maximum sustainable overpressure: fluid redistribution from stress transitions. J Geochem Explor 69–70:471–475
Sibson RH (2001) Seismogenic framework for hydrothermal transport and ore deposition. In: Richards JP, Tosdal RM (eds) Structural controls on ore genesis. Reviews in Economic Geology 14, pp 25–50
Singer DA (1993) Basic concepts in three-part quantitative assessments of undiscovered mineral resources. Nonrenew Resour 2:69–81
Singer DA, Kouda R (1996) Application of a feedforward neural network in the search for Kuruko deposits in the Hokuroku district, Japan. Math Geol 28:1017–1023
Singer DA, Kouda R (1997) Classification of mineral deposits into types using mineralogy with a probabilistic neural network. Nonrenew Resour 6:27–32
Singer DA, Kouda R (1999) A comparison of the weights-of-evidence method and probabilistic neural networks. Nat Resour Res 8:287–298
Singer DA, Kouda R (2003) Typing mineral deposits using their grades and tonnages in an artificial neural network. Nat Resour Res 12:201–208
Singer DA, Menzie WD, Sutphin D, Mosier DL, Bliss JD (2001) Mineral deposit density—an update. In: Schulz KJ (ed) Contributions to global mineral resource assessment research. US Geological Survey Professional Paper 1640-A, A1-A13. Also available online at http://pubs.usgs.gov/prof/p1640a/
Stubley MP (2004) Spatial distribution of kimberlite in the Slave craton, Canada: a geometrical approach. Lithos 77:683–693
Taylor NP, Moorbath S, Leube A, Hirdes W (1992) Early Proterozoic crustal evolution in the Birimian of Ghana: constraints from geochronology and isotope geochemistry. Precambrian Res 56:97–111
Vearncombe JR, Vearncombe S (1999) The spatial distribution of mineralization: applications of Fry analysis. Econ Geol 94:475–486
Vearncombe S, Vearncombe JR (2002) Tectonic controls on kimberlite location, southern Africa. J Struct Geol 24:1619–1625
Weiberg RF, Hodkiewicz PF, Groves DI (2004) What controls gold distribution in Archean terranes? Geology 32:545–548
White FM (1991) Viscous fluid flow, 2nd edn. McGraw-Hill, New York, p 725
Wright DF, Bonham-Carter GF (1996) VHMS favourability mapping with GIS-based integration models, Chisel Lake–Anderson Lake area. In: Bonham-Carter GF, Galley AG, Hall GEM (eds) EXTECH I: a multidisciplinary approach to massive sulphide research in the Rusty Lake–Snow Lake Greenstone Belts, Manitoba. Geological Survey of Canada Bulletin 426, pp 339–376, 387–401
Yao Y, Robb LJ (2000) Gold mineralization in Palaeoproterozoic granitoids at Obuasi, Ashanti region, Ghana: ore geology, geochemistry and fluid characteristics. S Afr J Geol 103:255–278
Yao Y, Murphy PJ, Robb LJ (2001) Fluid characteristics of granitoid-hosted gold deposits in the Birimian terrane of Ghana: a fluid inclusion microthermometric and Raman spectroscopic study. Econ Geol 96:1611–1643