Copper ore gets trapped in oxidized zones within these types of rocks. Potassic igneous rocks and associated goldcopper mineralization second updated and enlarged edition. No representation, warranty or prediction is made or intended as to the results of future work, the ability to obtain. Daniel muller potassic igneous rocks and associated gold copper mineralization pdf by ebook4study on march 23, 2016 flowchart for separating unknown samples of potassic igneous rocks into the five investigated tectonic settings. Formed by processes directly related to volcanic activity.
Hydrothermal alteration, mineralization, and structural. Numerous and frequentlyupdated resource results are available from this search. A growing body of evidence now supports the idea of a close link between potassic. Differences among these groups of deposits indicate different potentials for acid mine. Highk rocks are genetically associated with a number of epithermal gold and porphyry coppergold deposits. Gold, copper, silver, and other metals lateroil placer mining simple tools shovels, pans, and sluices for shallow minerals quartz reef mining using explosives and mine shas deep beneath the surface quartz contained gold. Indirect associations between lamprophyres and goldcopper deposits 8. Read potassic igneous rocks and associated goldcopper. At the evciler district, monzogranitic rocks, termed leucocratic evciler, have a limited. Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself. Maps showing mineral resource assessment for copper and. Direct and indirect associations between potassic igneous. Direct associations between potassic igneous rocks and goldcopper deposits 7. Most of these orebodies are hosted by or are adjacent to a pyritesericitealtered rhyolite porphyry and record gradational alteration changes with the surrounding wall rocks.
Many epithermal gold and porphyry copper gold deposits are hosted by highk rocks. As a research student working on lamprophyres with nick rock, i well remember the discussion initiated by nick and david groves that lamprophyres and similar potassic rocks are intimately associated with gold mineralization. White cliff minerals limited is pleased to provide an update on exploration drilling conducted at its 100%owned coglia well cobaltnickel project near laverton in the western australian goldfields july 8, 2018. Potassic igneous rocks and associated gold copper mineralization lecture notes in earth sciences by daniel mller 20000107 on.
Similar books to potassic igneous rocks and associated goldcopper mineralization lecture notes in earth sciences free expedited delivery and up to 30% off. They are associated mainly with rhyolitic intrusions and domes of the miocene bimodal assemblage. The cumo mineralization occurs as silicic veins in the lar igneous rocks and includes hypogene. Direct associations between potassic igneous rocks and gold copper deposits. The authors provide an overview and a classification of these rocks and attempt to elucidate the geochemical differences between barren and mineralized potassic igneous complexes. Some metallogenic features of gold and copper deposits. Porphyry copper and other intrusionrelated mineralization in mexico. Actual results may differ materially from those currently anticipated and presented in this presentation. Savo island, a recently active volcano in the solomon islands, is dominated by alkaline, sodic. Pdf download potassic igneous rocks and associated.
Gold in igneous, sedimentary, and metamorphic rocks. Tectonic setting, geology, and gold and copper mineralization. The latter group is identified as being lustrous or shiny in appearance and malleable or ductile, meaning that they can be molded into different shapes without breaking. In addition to the grasberg porphyry deposit, high grade gold copper ore is found in sediment hosted skarns fringing both the grasberg igneous complex and the adjacent, marginally older ertsberg diorite 2 km to the southeast. Ore deposits related to mafic igneous rocks hosted copper. Wilson, aj and cooke, dr and harper, bj and deyell, c, sulfur isotopic zonation in the cadia district, southeastern australia. Quite simply, if geologists can classify mineral deposits based on rock types, geologic settings and formation conditions, then they can start to make useful predictions of where. Groves key centre for strategic mineral deposits, department of geology, university of western australia, perthnedlands, w.
The details will be debated until the sun cools, but the broadbrush classification of mineral deposits is generally understood. Direct associations between potassic igneous rocks and coppergold deposits on craton margins. Many epithermal gold and porphyry coppergold deposits are hosted by highk rocks. Groves department of geology and geophysics centre for exploration targeting university of western australia crawley, wa australia. In situ lamcicpms upb geochronology of igneous rocks. Specific types of mineralization are only found in certain rock types and environments. Alteration and mineralization of the copper cliff prospect, garnet range, montana 62. An overview of spatial associations between potassic igneous rocks and goldcopper deposits in the southwest pacific area is shown in figure 6. These groupings are based on geologic setting, associated igneous rock compositions, skarn mineralogy and sulfide mineral content, and characteristic geochemical and geophysical signatures fig.
Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Lange the copper cliff prospect in western montana hosts gold copper deposits in an altered porphyry stock, hydrothermal breccia pipes and carbonate replacement deposits. Extracng minerals from the ground gold, copper, silver, and. Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its name. The mineralization alteration zone within the district is. The host rocks of these deposits are cretaceous to paleogene sedimentary rocks and miocene sedimentary and volcanic rocks. Direct associations between potassic igneous rocks and gold copper deposits 7. The boulder, pioneer, idaho, and tobacco root batholiths are the predominant suites, the anaconda plutonic suite is prominent in the anaconda. Selected typelocalities of potassic igneous rocks from the five tectonic settings.
Mineral chemistry of igneous rocks in the lar cumo. Direct associations between potassic igneous rocks and copper gold deposits on craton margins. Gold deposits in quartzpebble conglomerates and quartzites. Geology of copper properties, mining, and formation of copper. Highk rocks are genetically associated with a number of epithermal gold and porphyry copper gold deposits. Everyday low prices and free delivery on eligible orders. This is why copper is often found in the sedimentary layer, where sand and mud are compressed until they form a layer of sedimentary rock on the surface of the earth. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. This fourth, updated and expanded edition incorporates new data and references from africa, australia, brazil, china, greece, iran, mongolia, north america, russia and turkey, including new maps and sections and new color plates of highgrade goldcopper ore from major deposits hosted by potassic igneous rocks. More specifically, it is a potassiumrich variety of basaltic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some darkcolored volcanic glass. Colorado identifies new mineralized zone and demonstrates. Groves department of geology and geophysics centre for exploration targeting. These deposits occur mainly as gold bearing quartzadularia veins in the eastnortheasterly strikeslip. Potassic igneous rocks and associated goldcopper mineralization lecture notes in earth sciences by daniel mller 20000107 on.
Most of the other rocks and minerals contained between half and twice this amount. Murphy jb, pisarevsky sa, nance rd, keppie jd 2004 neoproterozoicearly paleozoic evolution of perigondwanan terranes. Shoshonite gives its name to the shoshonite series and grades into absarokite with the loss of plagioclase phenocrysts and into. Flowchart for separating unknown samples of potassic igneous rocks into the five investigated tectonic settings this book redresses this situation by elucidating the characteristic features of potassic highk igneous rocks, erecting a hierarchical scheme that allows interpretation oftheir tectonic setting using whole rock geochemistry, and investigating their associations with a variety of. Start studying geology 105 exam b mineral resources.
Intrusive igneous rocks porphyry and skarn deposits in the quadrangle are associated with plutons of several batholithic or phitonic suites maps. The company is focused on developing low cost high value mineral deposits that. Daniel muller potassic igneous rocks and associated gold. Various regionsprovinces associated with a particular group of mineral deposits e.
The quartz monzodiorite and granodiorite are closely related to copper mineralization, and belong. The sw pacific hosts worldclass alkalinerelated epithermal gold deposits. Springer berlin heidelberg new york barcelona hong kong london milan paris singapore tokyo. Igneous rocks that contain abundant fe and mgrich minerals, such. The authors provide an overview and a classification of these rocks and attempt to elucidate the geochemical. Most skarn deposits are directly related to magmatic activity, and there is a systematic. They are alkaline silicaundersaturated mafic or ultramafic rocks with high magnesium oxide, 3% potassium oxide, high sodium oxide and high nickel and chromium. Pdf direct associations between potassic igneous rocks and. For anyone exploring for coppergold deposits or researching them, this book is essential reading especially given its basic introductions leading. Similar books to potassic igneous rocks and associated goldcopper mineralization lecture notes in earth sciences free expedited delivery and up to 30% off rrp on select textbooks shipped and sold by amazon au. Potasic igneus rocks and associated gold copper mineralization.
Pdf goldcopper mineralization in alkaline rocks preface. Groves is a digital pdf ebook for direct download to pc, mac, notebook, tablet, ipad, iphone, smartphone, ereader but not for kindle. Potassic igneous rocks and associated goldcopper mineralization fourth edition 123. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The composition mainly reflects the chemical composition and less so the tectonic setting of the associated igneous rocks.
Groves potassic igneous rocks and associated gold copper mineralization second updated and enlarged edition springer. Muller d, groves di 1997 potassic igneous rocks and associated goldcopper mineralization. Indirect associations between lamprophyres and gold copper deposits 8. Graniterelated mineral deposits cu, mo molybdenum, sn tin, w tungsten, u uranium, f fluorine, rare metals, etc. The recent recognition of quartzalunite alteration sparked a renewed. Those who downloaded this book also downloaded the following books. In the past, a plethora of genetic hypotheses and of local names for. Request pdf potassic igneous rocks and associated goldcopper mineralization highk calcalkaline and shoshonitic magmatism and associated epithermal gold and porphyry coppergold.
Geology and mineralization of the peak zone, a newly. Some metallogenic features of gold and copper deposits related to alkaline rocks and consequences for exploration. Owing to the common association of potassic igneous rocks with many gold and copperrich ore deposits, this book will be of interest not only to research scientists but also. Some other large deposits of cold and copper primarily types of alkaline rocks associated with gold mineralization associated with subalkaline igneous rocks. Owing to the common association of potassic igneous rocks with many gold and copperrich ore deposits, this book will be of interest not only to research scientists but also to those exploring for major deposits in young and ancient terranes. White cliff minerals is a gold, copper, cobalt, nickel resources and mining company listed in australia asx. Characteristics of some goldcopper deposits associated with potassic. Alteration and mineralization of the copper cliff prospect. Potassic igneous rocks and associated goldcopper mineralization by. White cliff minerals ltd further cobalt, nickel and copper. Read potassic igneous rocks and associated goldcopper mineralization lecture notes in earth. Geology 105 exam b mineral resources flashcards quizlet.
Jul 08, 2014 colorado identifies new mineralized zone and demonstrates significant continuity of gold copper mineralization at north rok. Metals, minerals, and rocks of all known chemical elements, 87, or about 80%, are metals. Gold in lgneous,sedimentary, and metamorphic rocks. An overview of the association between lamprophyric. Orion minerals nl important high grade goldcopper intersection drilled at prieska zinccopper project 1 february 2018 09.
New styles of intrusive related coppergold deposits in. Defined by 50% carbonate minerals calcite, dolomite, siderite, associated with alkalic rocks. Lecture notes in earth sciences 56, springer, berlin, pp 1238. Primary enrichment of precious metals in potassic igneous rocks. Potassic igneous rocks and associated goldcopper mineralization. Genetic relations between skarn mineralization and. The authors provide an overview and a classification of these rocks and they outline the geochemical differences between barren and mineralized potassic igneous complexes. Maps showing mineral resource assessment for copper and molybdenum in porphyry and stockwork deposits and for tungsten, iron, gold, copper, and silver in skarn deposits, dillion 1 degree by 2 degrees quadrangle, idaho and montana. Disseminated and stockrock goldsilver deposits in igneous, volcanic and sedimentary rocks. Direct associations between potassic igneous rocks and goldcopper deposits. Characteristics of some gold copper deposits associated with potassic. In later stages, circulating meteoric fluids may interact with the magmatic. Potassic igneous rocks have gained much attention among petrologists worldwide, mainly due to their distinct geochemistry, and many geoscientists still consider them as petrological curiosities with an obscure petrogenesis. Groves potassic igneous rocks and associated goldcopper mineralization 3rd, updated and enlarged edition with 61 figures and 68 tables, springer.
Ore deposits related to mafic igneous rocks carbonatitehosted copper deposits gly 361 lecture 6. Potassic igneous rocks and associated coppergold mineralization, by daniel muller and david groves springer, 2016. This fourth, updated and expanded edition incorporates new data and references from africa, australia, brazil, china, greece, iran, mongolia, north america, russia and turkey, including new maps and sections and new color plates of highgrade gold copper ore from major deposits hosted by potassic igneous rocks. Halogen contents of mineralized versus unmineralized potassic igneous rocks 9.
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