Results 11 to 20 of about 135 (123)

Diamonds from the Santo Antônio River (Delfinópolis, Minas Gerais): probable relationship with the Canastra-3 Kimberlite

REM: International Engineering Journal, 2019
The study identifies the Canastra-3 Kimberlite magnetic anomaly as the likely primary source of the alluvial diamonds recovered by "garimpeiros" in the Santo Antônio River basin (Delfinópolis, southwestern Minas Gerais).
Mario Luiz de Sá C. Chaves, João Paulo de Paula Caldas, Kerley Wanderson Andrade, Maria Sílvia Carvalho Barbosa   +3 more
doaj   +1 more source

Following kimberlite indicator minerals to source in the Chidliak Kimberlite Province, Nunavut

, 2013
The discovery of diamond-bearing kimberlite within the Chidliak kimberlite province on Hall Peninsula, southern Baffin Island, Nunavut, is a classic example of the application of traditional diamond-exploration techniques in a glaciated terrain. To date, 64 kimberlite pipes have been discovered: 61 on the Chidliak project and three on the adjacent ...
J Pell, B Clements, H Grütter, S Neilson, H Grenon   +4 more
openaire   +1 more source

On the problem of transportability of kimberlite minerals relative to their source: The case of pyrope and picroilmenite

Руды и металлы
Data on transportability of kimberlite minerals with increasing distance from their primary source are presented. It is argued that the degree of mechanical processing of kimberlite indicator mineral grains is the most reliable criterion for determining ...
Aleksandr Mikhailovich Khmelkov, Elvira Aleksandrovna Chuguevskaya   +1 more
doaj   +1 more source

Estimation of fractionation of minerals using geoinformation systems in engineering and geological prospecting

Технічна інженерія
The article discusses the use of geographic information systems in the study of kimberlite deposits in order to establish diamondiferous content based on indicator minerals, in particular olivine.
N.V. Zuievska, T.V. Kosenko, E. Shukurlu, V.V. Korobiichuk   +3 more
doaj   +1 more source

Mineralogy of garnets from the Jubileinaya kimberlite pipe and Ottorzhenets kimberlite body

Руды и металлы
The article presents results of a study of the chemical composition of garnet xenocrystals from a concentrate of the heavy fraction of kimberlites from the Yubileinaya pipe and Ottorzhenets kimberlite body.
Milaushkin M. V., Mal’kovets V. G., Gibsher A. A., Yakovlev I. V., Tychkov N. S.   +4 more
doaj   +1 more source

Kimberlite indicator mineral and geochemical reconnaissance of southern Alberta

, 1997
An indicator mineral and geochemical survey designed to examine diamond and metallic mineral potential, glacial sediment transport history, and both exploration and environmental geochemistry, was carried out in southern Alberta in 1992. Sampling sites were randomly selected prior to field work, with two sites in 40 km x 40 km cells designated for ...
L H Thorleifson, R G Garrett
openaire   +1 more source

Features of searching for the diamond deposits by mineralogical methods in different landscape and geological conditions

Мінеральні ресурси України
This article has a methodical orientation. There are discussed the features of the use of silt mineralogical methods in the search for native and placer deposits of diamonds.
V. T. Pidvysotskyi, N. M. Ostafiichuk, S. I. Bashynskyi, V. V. Kotenko   +3 more
doaj   +1 more source

Revealing the Magmatic Impulse Emplacement and Evolution Path of Kimberlite in Southern Liaoning through Mineralogical Characteristics of the Phlogopite Zone

Applied Sciences
Phlogopite is a crucial indicator for effectively constraining the magmatic evolution and emplacement mechanism of kimberlite. In this study, samples were collected from the No. 110 kimberlite pipe within diamond belt I and the No.
Sishun Ma, Ende Wang, Haitao Fu
doaj   +1 more source

Corundum Discovered by SuperCam and the Perseverance Rover at Jezero Crater, Mars

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Mars is primarily composed of mafic mineral assemblages and their alteration products, but small, scattered rocks strewn across the landscape offer clues to greater petrological diversity. While traversing the Jezero crater rim, the Perseverance rover encountered several plagioclase‐rich light‐toned float rocks.
A. M. Ollila, O. Beyssac, A. Fau, O. Forni, E. Clavé, P. Beck, C. C. Bedford, V. Payre, E. Dehouck, S. A. Connell, J. A. Manrique, P. Pilleri, O. Gasnault, G. M. Martinez, A. Udry, S. Bernard, P. Gasda, T. Acosta‐Maeda, R. B. Anderson, T. S. J. Gabriel, F. Calef, J. F. Bell III, J. Maki, S. Schröder, C. Quantin‐Nataf, J. R. Johnson, B. Chide, K. Rammelkamp, F. Poulet, C. Royer, M. Rock, N. L. Lanza, S. K. Sharma, G. Lopez‐Reyes, T. Fouchet, J. Comellas, A. Zastrow, E. Cloutis, R. C. Wiens, A. Cousin, S. Maurice, S. Clegg, P. Bernardi, T. Nelson   +43 more
wiley   +1 more source

Application of IR Fourier microscopy for investigation of kimberlite indicator minerals to search for diamond deposits using heavy-mineral concentrate method

Руды и металлы
Possibilities of the infrared microscopy technique as applied to the express diagnostics of diamond crystals and of grains of most of its satellite minerals, extracted from heavy mineral concentrate (HMC) samples, are considered. An original technique of
Khachatryan G. K., Anashkina N. E.
doaj   +1 more source