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Secondary minerals of the Mazarron-Aguilas, Mining District, Murcia Province, Spain
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Three small prospects in the Mazarron-Aguilas mining district-the Dolores prospect near Pastrana village, the La Atalaya prospect at the La Crisoleja site, and the La Umbria de Ramonete Valley prospect in the Lomo de Bas Mountains (all in Murcia Province, southeastern Spain)-have produced well-crystallized copper arsenates and associated secondary minerals. Outstanding among these are the new mineral cobaltarthurite for which the Dolores prospect is the type locality, world-class specimens of lavendulan, one of the first world occurrences of zalesiite, rare yukonite specimens and, perhaps, ...
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Secondary minerals of the Mazarron-Aguilas mining district, Murcia Province, Spain.
; ...well-crystallized copper arsenates and associated secondary minerals. Outstanding...arsenates and other secondary minerals. Investigations of other copper prospects in the area...extensive suite of secondary minerals from the Umbria...the Atalaya copper ...
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Erythrite: Bou Azzer, Morocco.(CONNOISSEUR'S CHOICE)
; Were it not for secondary minerals of the common base metals, the mineral collecting world...lesser abundance and more restricted distribution for which secondary minerals produced by oxidation of their primary sulfides are of...
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Copper minerals in the Grand Canyon, Arizona
; ...millerite, chalcocite), unlike the secondary minerals such as malachite, azurite and cyanotrichite...responsible for creation of the colorful secondary minerals through oxidation of the primary...severely oxidized to the present secondary minerals. Copper minerals found in the ...
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Q-Gold Updates Foley De-Watering Program and Arizona Copper Prospects Option
; ...to acquire a 100% interest in a package of three Arizona copper prospects as described in a press release dated May 27, 2008. The...Q-Gold is pleased to be able to obtain these attractive copper prospects at a relatively low entry cost. Upon approval, we look...
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Minerals of the Lavrion Mines
; ...the area, the text first covers the main metallic and gangue minerals, followed by rock-forming minerals and then the secondary minerals from the slags. There is a short list of references, and the descriptions include more than 120 X-ray diffraction patterns...
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Availability of soil potassium and diagnostic soil tests.
; ...is a component of primary minerals such as feldspars or secondary minerals such as alunite (Sparks and Huang 1985). These various...K depends on the dissolution rate of the primary and secondary minerals, and is dependent on the product of the activities of...
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Aurum may have the Midas touch
; ...still some undervalued stocks worth a look. One such company is Aurum Mining (106p). The company, which focuses on gold and copper prospects in the former Soviet Union, is in the late stages of construction at its Andash mine in the Kyrgyz Republic. Aurum raised...
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Do sand dunes of the lower Lachlan floodplain contain the same dust that produced parna?
; ...belief that the parna-forming dust was composed chiefly of secondary minerals (30-70% clay, some calcium carbonate), in contrast to...cycle of weathering, being composed almost entirely of secondary minerals. AEolian dust has been identified and described in a number...
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Influence of mineralogy and geological setting on trace metal concentration within subtropical weathered profiles, Bells Creek catchment, Queensland, Australia (1).
; ...leached. Iron occurs in both primary minerals and insoluble secondary minerals such as hematite. The mineralogical study also showed...partly dissolved, and hydrolysis and hydration take place. Secondary minerals such as illite and smectite are commonly the earliest...
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Peter Allan Williams (b. 1950).(Who's Who in Mineral Names)(australian minerologist)
; ...4-cm specimen consists of finegrained quartz with several nickeline-native bismuthbunsenite veins. A colorful array of secondary minerals, including aerugite, xanthiosite, rooseveltite, and paganoite coats parts of the specimen. (The last is a new species...
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