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alberta kimberlites indicator minerals and diamonds

(PDF) Kimberlite Indicator Mineral Results from Reconnaissance Till ...

Elevated indicator mineral grain counts from surface till samples generally occur southwest and (or) south of the kimberlites located in upland areas (Paulen et al. 2005; Prior et al. 2005a). These...

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Kimberlite - definition of kimberlite by The Free Dictionary

kim·ber·lite (kĭm′bər-līt′) n. A variety of peridotite forming pipes in which diamonds and garnets are often found. [After Kimberley, a city in central South Africa where several kimberlite pipes mined for large diamonds are found .] kim′ber·lit′ic (-lĭt′ĭk) adj. American Heritage® Dictionary of the English Language, Fifth Edition.

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CiteSeerX — Kimberlite and Diamond Indicator Minerals in Northeast ...

It has diamond exploration potential, particularly if the modified "diamondiferous mantle root model " is considered (Simandl, 2004). This heavy mineral reconnaissance project expands on an earlier study, which was restricted to kimberlite indicator minerals (KIMs) present in Late Pleistocene glaciofluvial sands and gravels sampled in the Fort ...

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Diamonds in Canada: A Major World Producer

The company has a second diamond project on Melville Peninsula - the Mel Project - that has delineated two unsourced kimberlite indicator mineral (KIM) trains containing a large population of pyrope and eclogitic garnets and ilmenite. The Chisliak Project is on South Baffin Island 120 km northeast of Iqaluit and represents the main diamond

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DESCRIPTION OF PROPERTY & PHYSICAL LOCATION - EDGAR Online

Of the ten observed for kimberlite indicator minerals, eight returned indicator grains. The minerals useful as indicators for kimberlite and, to a certain extent, in the evaluation of the diamond potential of a kimberlite include peritonitis-pyrope, eulogistic pyrope, chrome-diopside, picro-ilmenite, 32 chromite, and olivine.

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The Manitoba Kimberlite Indicator Mineral Database: an update

regional kimberlite indicator mineral (KIM) survey data (i.e., government reports, assessment ... data from Manitoba studies that included Alberta and Saskatchewan study areas). Please 1 Consultant, 48 Weinberg Road, Winnipeg, Manitoba R2V 1M8. ... A correlation between garnets and diamonds in kimberlites; in J.E. Glover and P.G. Harris (ed.),

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Geological Survey of Canada, Open File 3228 - Google Books

A.N. LeCheminant Alberta alkaline rocks Archean Archean cratons Association of Canada belt breccia Canadian Journal Canadian Shield continental crust crustal D.G. Richardson diamond exploration diamond-bearing diamondiferous Diamonds in Canada diatreme Earth Sciences eclogites emplacement garnet geochemical geochemistry Geological Society ...

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New wave of diamond fever sweeps Canada's Northwest Territories

When it begins production in 2016, Gahcho Kue is reputed to become one of the largest and richest new diamond mines in the world. This $700 million project has a combined probable mineral reserve ...

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Alberta Geological Survey

Interpretation of Geophysical Data, West-Central and Southern Alberta, to Support Investigations of He and Li Resource Potential June 16, 2022 | Open File Report 2021-04 Lithium and Helium in Alberta: Data Compilation and Preliminary Observations

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Kimberlite Indicator Minerals from the... | ERA

KIM chemistry for the Horn Plateau indicates significant diamond potential, with a strong similarity to KIM systematics from the Central and Western Slave Craton. The most significant issue to resolve in assessing the local diamond potential is the degree to which KIM chemistry reflects local and/or distal kimberlite bodies.

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Geotimes - April 2006 - Diamonds Bedazzle Canadian North

Diamond-bearing kimberlite pipes tend to form where the cores of continents are thick, stable and about 2.5 billion years old. ... In Africa, Tania Marshall, a private consultant and the technical director of Monroe Minerals, headquartered in Alberta, Canada, follows indicator minerals through old river systems back to the pipes of origin ...

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Diamond Potential in Alberta: Distribution of Kimberlite and Kimberlite ...

This report provides a description and an assessment of the distribution of kimberlite and kimberlite indicator mineral (KIM) clusters in Alberta. It is a combined release of four internal reports produced by Apex Geoscience Ltd. at the request of the Alberta Geological Survey as part of a project funded by Alberta Energy to enhance Alberta's ...

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Diamond prospectors see promise in Alberta | CBC News

Kimberlite is a rare type of blue-hued rock that sometimes contains diamonds. It's most often found in northern Canada, South Africa and Siberia. ALBERTA KIMBERLITES: Alberta Kimberlites, Indicator...

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The Geology and Geochemistry of the Wadagera Kimberlite and the ...

The kimberlites of the Bhima cluster were discovered by a variety of techniques including a spectral scanner survey, kimberlitic indicator mineral (KIM) stream and loam sampling and an airborne geophysical survey. The Wadagera kimberlite was discovered using the De Beers/Anglo-American airborne multispectral scanner (AMS).

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What Is A Kimberlite - Realonomics

Kimberlitic indicator minerals . Kimberlites are peculiar igneous rocks because they contain a variety of mineral species with chemical compositions that indicate they formed under high pressure and temperature within the mantle.. What type of rock is a kimberlite? Unlike most of the surface rocks in Kansas which are sedimentary in origin kimberlite is an igneous rock formed from the cooling ...

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Alteration Mineralogy of Alberta Kimberlites: PIMATM Infrared ...

Spectral imaging may have particular application for the detection of kimberlites in Alberta. Especially since some kimberlitic diatremes form topographic highs and the minerals found in kimberlitic terranes may be easily distinguishable from surrounding Phanerozoic shales and sandstones in the mid-infrared spectral range.

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Canadian diamonds offer clues to Earth's early history

The presence of diamonds in an outcrop atop an unrealized gold deposit in Canada's Far North mirrors the association found above the world's richest gold mine, according to University of Alberta research that fills in blanks about the thermal conditions of Earth's crust three billion years ago. "The diamonds we have found so far are ...

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Geology of northeast British Columbia and northwest Alberta: diamonds ...

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2016-2017 | Diamonds - University of British Columbia

Direct Detection of Drift-Concealed Kimberlites Using Surface Geochemistry Integrated with Landscape Evolution: Regional scale kimberlite exploration techniques including indicator mineral dispersal trains, geophysics and remote sensing, inevitably produces a plethora of potential targets for subsequent evaluation.

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Prospecting For Diamonds - BC Gold Adventures

In northern Quebec, kimberlitic dykes are being explored for diamond potential. British Columbia Only one kimberlite is known so far in the province, this being the Crossing Creek diatreme near Elkford in southeastern B.C. A small number of diamonds have been recovered from here. A second possible kimberlite occurs on Toby Creek near Invermere.

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Canterra Expands Land in NWT, Starts Diamond Exploration Program

This exploration strategy has been designed using a systematic study of the Company's proprietary kimberlite indicator mineral database, as well as detailed geophysical data sets which were compiled over a 15 year time period. Canterra plans to run a till sampling program and explore known geophysical anomalies within the area.

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Guide for Drift Prospecting for Diamonds - Ontario

The sixth chapter reviews the physical and geochemical properties of the major heavy mineral kimberlite indicators. Kimberlite hosts a suite of heavy minerals with unique chemical and physical characteristics. Several of these minerals are resistive, that is, they survive weathering, erosion and transport by ice and water over con-siderable ...

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Kimberlite pipes | Article about Kimberlite pipes by The Free Dictionary

Kimberlite occurs, as a rule, on ancient platforms and very rarely in geosynclinal areas. More than 1,500 kimberlite bodies are known to exist, but only 8-10 percent of them are diamond-bearing. Kimberlites with a diamond content of at least 0.3-0.5 carats per cu m are considered of commercial importance.

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RJK Explorations: Indicator minerals correct for large diamonds

A total of 1,914 grains were picked as potential kimberlite indicator minerals. From the heavy mineral concentrates, 283 grains were probed and classified into 6 diamond indicator minerals: olivine/forsterite, chromite and high titanium chromite, clinopyroxene, peridotitic pyroxene, eclogitic garnet and peridotitic garnet.

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Chemistry of kimberlite indicator minerals and sphalerite derived from ...

Plouffe et al. (2006a) reported the presence of kimberlite indicator minerals (KIMs), and sand-sized sphalerite and galena grains in glacial sediments from northwest Alberta. In this report most of the KIMs, originally identified from optical properties alone, are now confirmed as such following detailed electron microprobe analyses.

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GEOSCAN Search Results: Fastlink

Chemical studies of kimberlite indicator minerals from stream sediment and till samples in the southern Mackenzie region (NTS 85B, C, F, G), ... Diamonds in Alberta: studies of potential host rocks of deep-seated origin and applications of indicator mineral exploration techniques; Kjarsgaard, ...

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Exhibit 23.2 - EDGAR Online

The preceding are the most commonly used kimberlite indicator minerals, although in rare cases, diamond is abundant enough to be its own indicator. These minerals survive glacial transport, are far more abundant in kimberlite than diamond, and are visually and chemically distinct. The following are descriptions of the samples observed for ...

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Recent Advances in Understanding the Geology of Diamonds

These alluvial diamonds are recovered by placer and marine mining techniques that are very different from hard-rock kimberlite mining. Although these specimens are found "off-craton," they derive from "on-craton" kimberlites and are thus formed by those processes. Figure 5.

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Your Guide on How to Identify a Raw Diamond - The Diamond Authority

Not all diamonds occur in relation to kimberlite pipes. However, a great majority of them do. It's not rare to find a raw diamond deposit that is far away from any kimberlite sources. However, in most cases, those deposits can be clearly backtracked to kimberlite pipes that eroded and deteriorated hundreds or even thousands of years in the past.

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Chapter 18 Geological Resources | Physical Geology - GitHub Pages

During the ore-forming process, some of the original minerals in these rocks are altered to potassium feldspar, biotite, epidote, and various clay minerals. The important ore minerals include chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ), and pyrite in copper porphyry deposits, or molybdenite (MoS 2) and pyrite in molybdenum porphyry deposits.

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Diamond Exploration and Regional Prospectivity of the Northern ...

Region-specific prospectivity was calculated with the following three general principles in mind: (i) the extent and success of prior sampling in identifying indicator minerals (ii) the age of regional geology compared to emplacement ages of known primary diamond deposits and (iii) mantle lithosphere thickness and structure.

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Pangolin Finds Massive Kimberlite in Botswana - Geology for Investors

Geophysical modeling suggests the Magi-Kimberlite at Pangolin's Tsabong North Project in Botswana is a 270 hectare (2.7 km2) pipe ... Each hole will intersect at least 100 metres of kimberlite to recover any additional indicator minerals, and any diamonds. One hole will be drilled to a minimum depth of 250 metres of kimberlite intersection ...

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CanAlaska to survey Alberta Kimberlite targets | Mining & Energy

These three large properties, collectively comprising over 290,000 acres, are immediately northeast of a group of kimberlite indicator minerals (KIM) discovered in the Fort McKay - Fort McMurray area in Alberta. The KIM's are down-ice from CanAlaska's properties; their source has yet to be discovered. Alberta Diamond Project

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EAS 466/566 (Petrogenesis) Cratons, Kimberlites and Diamonds

Types of Pyroclastic Rocks (air fall, surge and flow); Emplacement of kimberlites and lamproites; Description of pyroclastic rocks. 4. Kimberlite Exploration Indicator minerals and geochemical assessment of diamond potential. 5. Diamonds and their sources in Earth's Mantle (1) Morphology, surface features, nitrogen in diamond, color centers;

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Indicator mineralogy of kimberlite boulders from eskers ... - ScienceDirect

Potential kimberlite indicator minerals were selected on the basis of visual properties ... University of Alberta. Analytical details and processing techniques are provided in Heaman and Kjarsgaard ... recovery of indicator minerals, diamonds and geochemical signatures. Journal of Geochemical Exploration, 53 (1995), ...

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Diamond Prospecting and Mining - Queensborough Community College

Diamonds in the primary rock kimberlite are found by a variety of techniques, but of great importance is the use of sampling for indicator minerals. Diamond indicator minerals occur in the kimberlite pipe in greater amounts than the diamonds and are released as weathering products as well. You are more likely to spot these indicator minerals ...

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Sweetgrass diamonds? Maybe, but don't count on it - Medicine Hat News

pearson's colleague anetta banas explains most diamonds are found in kimberlite deposits emanating from ancient volcanos deep within the earth, but diamonds can be exceedingly difficult to pinpoint...

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Kimberlite Deposits and Geology Formation of Diamonds

Sub-Sahara in Africa and Russia together produce 80% of the world's diamonds. Diamond exploration relies heavily on magnetic and gravity surveys and sampling for kimberlite indicator minerals or KIM and the value of the deposit is more dependent on the quality of the stones than on the grade in terms of carats per hundred tons. ...

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VKC Seminar Series | DERTS | Faculty of Science - University of Alberta

Mar 30, 2021Live streaming of the Vancouver Kimberlite Cluster (VKC) seminar series was arranged as part of the DERTS program. The VKC is organized by the Diamond Exploration Lab, the Volcanology and Petrology Research Lab and the Mineral Deposits Research Unit at UBC and sponsored by SRK Consulting. The VKC meets in downtown Vancouver every one-to-two ...

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Canterra Minerals Corporation | Canterra Minerals Returns to Diamond ...

A previously identified 7 km long kimberlite indicator mineral train contains G10 garnets, chromites and ilmenites, as well as numerous kimberlite fragments. Evaluation of airborne geophysical data has identified 15 anomalies for future follow up. The Hilltop Property is strategically located ~30 km southwest of the Snap Lake Diamond Mine.

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