142 Wills' Mineral Processing Technology the crusher setting as on the Allis-Chalmers hydrocone crusher (Flavel 1977 1978 Anon 1981) which has a hydraulic setting adjustment system which can be controlled automatically to optimise the crusher parameters The advantage over techniques involving reduction with carbon lies in the consistently better oxygen yields with consequent decrease in systematic errors in isotopic composition Bromine pentafluoride has advantages over fluorine in being easier and safer to handle in the laboratory in being readily purified and in reacting with some minerals which do not react completely with

A process mineralogical investigation of the Merensky Reef

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This phenomenon offers the advantage that many different processes in petrogenesis can be investigated through helium isotopic systematics but the concomitant disadvantage that the 3He/ 4He ratios of even relatively young crusher to approximately 5 to 3mm fragments

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142 Wills' Mineral Processing Technology the crusher setting as on the Allis-Chalmers hydrocone crusher (Flavel 1977 1978 Anon 1981) which has a hydraulic setting adjustment system which can be controlled automatically to optimise the crusher parameters

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The great advantage of this system is that the magnetic properties of any granite can be directly measured in the field using a hand held Kappameter Nearly always each granite body has a range of values which is distinctive and which in many cases helps to clarify problems of

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It is composed of a complex sequence of medium to coarse-grained pyroxenites melanorite and norites In places these are pegmatoidal and serpentinised (enriched with magnesium) [26] The UG2 layer consists of primarily chromite (60-90% by volume) orthopyroxene and plagioclase

Orogenic processes: quantification and modelling in the Variscan belt WOLFGANG FRANKE 1 VOLKER HAAK 2 ONNO ONCKEN 2 DAVID TANNER 3 1 Institut fur Geowissenschaften Universitdt Giessen Senckenbergstrasse 3 D-35390 Giessen Germany 2 GeoForschungsZentrum Potsdam Telegrafenberg D-14473 Potsdam Germany 3

Glossary of Geology C cab A compartment for the driver in a mine locomotive The disadvantage of the ordinary bar grizzly is clogging due to It has an advantage over straight caustic soda in that it does not cake liquefy or solidify when used Lewis

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The He Ne and A isotopes of 59 and the total K content of 48 stony meteorites have been determined The isotopic composition of the spallation-produced rare gases is in agreement with production rates calculated from the cosmic ray spectrum including secondaries and from cross-section measurements of high-energy protons

PE Jaw Crusher PEW Jaw Crusher PF Impact Crusher PFW Impact Crusher CS Cone Crusher HPC Cone Crusher HST Cone Crusher PY Cone Crusher VSI Crusher VSI5X Crusher Hammer Crusher HJ Series Jaw Crusher LM Vertical Grinding Mills MTM Trapezium Grinder MTW Milling Machine SCM Ultrafine Mill Ball Mill T130X Reinforced Ultrafine Mill

Knowledge of hydrothermal alteration and metal zoning can be used to great advantage and information on structural orientation host rock type and episodes of hydrothermal activity can dramatically affect the size and shape of the target or regional threshold (Fig 1)

Thus if the Generic BEE Codes were to apply to the mining industry it would place the industry at a disadvantage and create uncertainty The DMR and industry bodies are aware of the implications of the Trumping Provision and are likely to address this in the near future