Geologic evolution of the Escondida area, northern Chile: A model for spatial and temporal localization of porphyry Cu mineralization

Economic Geology

Volumn 96, Issue 2, 2001, Pages 271-305

  Richards, J P ^a   Boyce, A J ^a   Pringle, M S ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

MAGMATIC HYDROTHERMAL SYSTEMS;

COPPER DEPOSITS; EXPLORATORY GEOCHEMISTRY; MAPPING; SEDIMENTS; TECTONICS; VOLCANIC ROCKS;

GEOLOGY;

COPPER; MAGMATISM; MINERAL EXPLORATION; MINERALIZATION; PORPHYRY; TECTONIC SETTING;

CHILE;

EID: 0035264785     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.96.2.271     Document Type: Article

References (141)

1. Clockwise block rotations in northern Chile: Indications for a large-scale domino mechanism during the middlelate Eocene
2. Middle Miocene climatic change in the Atacama Desert, northern Chile: Evidence from supergene mineralization at La Escondida
3. Paleohydrologic evolution and geochemical dynamics of cumulative supergene metal enrichment at La Escondida, Atacama Desert, northern Chile
4. K-Ar and fission track mineral age determinations of igneous rocks related to multiple magmatic are systems along the 23° S latitude of Chile and northwest Argentina
5. Progressive mixing of isotopic reservoirs during magma genesis at the Sierrita porphyry copper deposit, Arizona: Inverse solutions
6. Sequence stratigraphy of the Mesozoic Domeyko basin, northern Chile
7. Active faulting in northern Chile: Ramp stacking and lateral decoupling along a subduction plate boundary?
8. Geodynamic evolution and tectonostratigraphic terranes of northwestern Argentina and northern Chile
9. Regional structural control of porphyry copper deposits in northern Chile [abs.]
10. Geología y yacimientos metalíferos de la Regió de Antofagasta
11. Plate boundary forces at subduction zones and trench-arc compression
12. Origin and ore-forming consequences of the advanced argillic alteration process in hypogene environments by magmatic gas contamination of meteoric fluids
13. Analysis of supergene ore-forming processes and ground-water solute transport using mass balance principles
14. Displacement history of the Atacama fault system 25°00′ S-27°00′ S, northern Chile
15. Magmas and hydrothermal fluids
16. Late-stage processes of felsic magmatism
17. Fracture control of high-level plutonic contacts in the Coastal Batholith of Peru
18. A review of shallow, ore-related granites: Textures, volatiles, and ore metals
19. Two contrasting granite types
20. Are outsize porphyry copper deposits either anatomically or environmentally distinctive?
21. 39Ar ages of early - And late-stage alteration assemblages, Rosario porphyry copper-molybdenum deposit, Collahuasi district, I Region, Chile
22. Observations on the origins and ascent mechanisms of granitic magmas
23. Genesis of porphyry copper deposits: The behavior of water, chloride, and copper in crystallizing melts
24. Can economic porphyry copper mineralization be generated by a typical calc-alkaline melt?
25. Tectonic and magmatic evolution of the Andes of northern Argentina and Chile
26. El Salvador, Chile porphyry copper deposit revisited: Geologic and geochronologic framework
27. Pre-Mesozoic evolution of the central Andes; the basement revisited
28. Some isotopic and geochemical constraints on the origin and evolution of the Central Andean basement (19°-24°S)
29. Late palaeozoic-early Triassic calderas and related mineralization in the Cordillera de Domeyko, northern Chile
30. Trace element and isotopic effects of combined wallrock assimilation and fractional crystallization
31. Altiplano-Puna volcanic complex of the central Andes
32. Petrology of the Yerington batholith, Nevada: Evidence for evolution of porphyry copper ore fluids
33. Metallogenesis of the Yerington batholith, Nevada
34. El abra and fortuna complexes: A porphyry copper batholith sinistrally displaced by the Falla Oeste
35. Origin of Mesozoic and Tertiary granite in the Western United States and implications for pre-Mesozoic crustal structure, 2. Nd and Sr isotopic studies of unmineralized and Cu-and Mo-mineralized granite in the Precambrian craton
36. The role of lithospheric mantle in the generation of late Cenozoic basic magmas in the western United States
37. Extensional tectonics in convergent margin basins: An example from the Salar de Atacama, Chilean Andes
38. Upper Paleozoic crustal thickening-the basement of the Sierra de Limon Verde in N-Chile (region Antofagasta)
39. Fractionation of rare-earth elements in the Tuolumne Intrusive Series, Sierra Nevada batholith, California
40. Andean tectonics as a consequence of sea-floor spreading
41. Evolución de las trayectorias de esfuerzo en la tectónica de los Andes Meridionales
42. The Andes Cordillera: A synthesis of the geological evolution
43. Plutonism, oblique subduction, and continental growth: An example from the Mesozoic of California
44. Mechanisms of continental growth in extensional arcs: An example from the Andean plate-boundary zone
45. Repeated reactivation of an ancient fault zone under changing kinematic conditions: The Sierra-de-Moreno fault system (SMFS) (N-Chilean Precordillera)
46. Crustal evolution by are magmatism
47. Plate tectonics and island arcs
48. 39Ar dating of early tertiary volcanic rocks from the North-Chilean Precordillera
49. Rare earth elements in petrogenetic studies of igneous systems
50. Regional O-, Sr-, and Pb-isotope relationships in Cenozoic calc-alkaline lavas of the Andean Cordillera
51. The role of magmas in the formation of hydrothermal ore deposits
52. Fracture and dike patterns in Laramide plutons and their structural and tectonic implications: American southwest
53. th Parallel lineament and its relationship to ore deposits
54. Gradients in silicic magma chambers: Implications for lithospheric magmatism
55. Crustal contributions to arc magmatism in the Andes of central Chile
56. Granite emplacement mechanisms and tectonic controls: Inferences from deformation studies
57. A guide to the chemical classification of the common volcanic rocks
58. ICP-MS-a powerful tool for high-precision trace element analysis in earth sciences: Evidence from analysis of selected U.S.G.S. reference samples
59. Tectonic evolution of the late Cenozoic central Andes (20°-33°S)
60. Probing the evolving Andean lithosphere: Mid-Late Tertiary magmatism in Chile (29°-30°30′S) over the modern zone of subhorizontal subduction
61. Upper cenozoic volcanism and tectonism in the Andes of northern Chile
62. Isotopic and geochemical characteristics of Laramide magmatic systems in Arizona and implications for the genesis of porphyry copper deposits
63. Evolution of an active ductile to brittle shear system controlling mineralization at the Chuquicamata porphyry copper deposit, northern Chile
64. Características geoquímicas de rocas ígneas asociadas con pórfidos cupríferos chilenos
65. The primary mineralization at Chuquicamata, Chile, S.A
66. The discovery of the La Escondida orebody
67. Marco metalogénico regional de los megadepósitos de tipo pórfido cuprífero del Norte Grande de Chile
68. The volcanism along the Calama-Olacapato-El Toro transversal fault system in the central Andes: The Tultul, del Dedio and Pocitos volcanoes (Puna, Argentina)
69. Cenozoic tectonic events, magmatic pulses, and base- And precious-metal mineralization in the central Andes
70. Role of plate kinematics and plate-slip-vector partitioning in continental magmatic arcs: Evidence from the Cordillera Blanca, Peru
71. A magmatic geohygrometer: Application to Mount St. Helens and other dacitic magmas
72. The Cenozoic history of the Southern Atacama Desert, Chile
73. Drainage evolution in the Atacama Desert of northern Chile
74. Extensional tectonics, Cretaceous Andes, northern Chile (27°S)
75. El rift Triásico-Sinemuriano de Sierra Exploradora, Cordillera de Domeyko (25°-26°S)
76. The Andes of Chile and Argentina
77. Phase equilibria of rock-forming ferromagnesian silicates in granitic systems
78. Escondida porphyry copper deposit, II Region, Chile: Exploration drilling and current geological interpretation
79. Geology of the Escondida porphyry copper deposit, II Region, Chile
80. Eventos intrusivos y deformaciónes en la Cordillera de Domeyko a la latitud del salar de Punta Negra. Antecedentes geocronológicos K-Ar
81. Geology of the Escondida porphyry copper deposit, Antofagasta region, Chile
82. Geological development and mineralization in the Atacama segment of the South American Andes, northern Chile (26°15′-27°25′S)
83. Relative motion of the Nazca (Farallon) and South American plates since Late Cretaceous time
84. Extensional pluton-emplacement models: Do they work for large plutonic complexes?
85. Chimborazo copper deposit, II Region, Chile
86. Chimborazo copper deposit, Region II, Chile
87. Granitoid emplacement and deformation along a major crustal lineament: The Cordillera Blanca, Peru
88. The ascent of felsic magmas in dykes
89. The Cenozoic rhyolite-andesite association of the Chilean Andes
90. Kinematics of the South American subduction zone from global plate reconstructions
91. Regional fracturing in Laramide stocks of Arizona and its relationship to porphyry copper mineralization
92. Relation between tectonics and magmatism in the Andes of northern Chile and adjacent areas between 21° and 25° S
93. Structural evidence of orogen-parallel strike slip displacements in the Precordillera of northern Chile
94. The Precordilleran fault system of Chuquicamata, northern Chile: Evidence for reversals along arc-parallel strike-slip faults
95. A revised late Eocene age for porphyry Cu magmatism in the Escondida area, northern Chile
96. Hawaiites and related lavas in the Atenguillo graben, western Mexican volcanic belt
97. Slab-mantle interactions. 3. Petrogenesis of intraplate magmas and structure of the upper mantle
98. The tectonic expression slab pull at continental convergent boundaries
99. The May 18, 1980, eruption of Mount St. Helens. 3. Stability and chemistry of amphibole in the magma chamber
100. Magma ascent rates from amphibole breakdown: An experimental study applied to the 1980-1986 Mount St. Helens eruptions
101. Lineamientos transversales al runbo andino en el noroeste Argentino
102. Strike-slip faulting and related veining in the Grasberg porphyry Cu-Au ore system, Gunung Bijih (Ertsberg) mining district, Irian Jaya, Indonesia (West New Guinea) [abs.]
103. The kinematic and geodynamic significance of the Atacama fault zone, northern Chile
104. Magmatic arc tectonics in the Central Andes between 21° and 25°S
105. Tectonic development of the north Chilean Andes in relation to plate convergence and magmatism since the Jurassic
106. Structural settings
107. The fracture mechanisms of magma transport from the mantle to the surface
108. Subduction of the lithosphere and back are dynamics: Insights from physical modeling
109. Exsolution of immiscible vapor and liquid phases from a crystallizing silicate melt: Implications for chlorine and metal transport
110. Constraints on magma degassing beneath the Far Southeast porphyry Cu-Au deposit, Philippines
111. Volatile transport in a convecting magma column: Implications for porphyry Mo mineralization
112. The tops and bottoms of porphyry copper deposits
113. Regional aspects of the Andean porphyry copper belt in Chile and Argentina
114. Gold and copper metallogeny of the Central Andes: Past, present, and future exploration objectives
115. Lead-isotope signatures of porphyry copper deposits in oceanic and continental settings, Colombian Andes
116. Age of supergene oxidation and enrichment in the Chilean porphyry copper province
117. 39Ar incremental heating analyses of lavas
118. Intrusivos del Carbonifero Permico en la Cordillera de Domeyko: Nuevos antecedentes radiometricos
119. Genesis of acid-sulfate alteration and Au-Cu-Ag mineralization at Summitville, Colorado
120. Chemical and isotopic systematics of oceanic basalts
121. Structural control of intrusions and hydrothermal alteration zones by intersecting fault systems in the Cretaceous magmatic arc of the southern Central Andes at 27°S, III. Region, Chile
122. The influence of regional stress and magmatic input on styles of monogenetic and polygenetic volcanism
123. Isotopic composition of Pb in Central Andean ore deposits
124. Geologic and geotectonic setting of porphyry copper deposits in the southern Cordillera
125. Fracture-controlled magma conduits in an obliquely convergent continental magmatic arc
126. Structural evolution and displacement history of the West fault system, Precordillera, Chile: Pt 1. Synmineral history
127. Structural evolution and displacement history of the West fault system, Precordillera, Chile: Pt. 2, Postmineral history
128. Local crustal extension at Mount St. Helens, Washington
129. Vapor generation on a quartz monzonite magma: A synthetic model with application to porphyry copper deposits
130. The crustal heritage of ore deposits in northern Chile [abs.]
131. Basement control of Tertiary intrusions and associated mineral deposits along Tijeras-Cañoncito fault system, New Mexico
132. Eocene dextral oblique convergence and sinistral shear along the Domeyko fault system: A thin viscous sheet approach with asthenospheric drag the base of the crust
133. Uranium-lead dating of zircons from the Chuquicamata and La Escondida porphyry copper deposits, Chile: Inherited zircon cores of paleozoic age with tertiary overgrowths