Geosciences

The high quality mineral separates provided by SELFRAG systems have been giving researchers in geoscience the edge over their peers for over a decade now. Our systems are used worldwide in the liberation of minerals such as zircon, apatite and garnet for geochronology studies; clinopyroxene and olivines for melt inclusion studies; native metals from rock for crystallographic studies.

The non-abrasive contact method is completely dust free and preserves the natural size of the mineral better than traditional mechanical crushing, the lack of abrasion also prevents metals from smearing during fragmentation, allowing much more useful information to be extracted from a rock or mineral.

High volatge pulses have consistently shown to produce coarser mineral separates than conventional mechanical crushing, and for this reason the SELFRAG Lab system is in constant use in over 20 Geoscience research centres worldwide, providing high quality sample fragmentation for geochronology research.
The Lab system breaks rocks cleanly along mineral boundaries while causing much less damage to individual minerals than traditional crushers: The end product is larger, cleaner mineral separates to provide the best material for analysis.

 

Metallic Particles

The difference in electrical properties between metallic particles such as metal sulphides and native metals make them ideal targets for SELFRAG mineral liberation. Sulphide particles can be removed from igneous or sedimentary rocks with minimal damage in preparation for isotopic analysis, and native metals can be removed from the host rock without abrasive contact which can roll or smear the particle, making the Lab system ideal for crystallographic study of native metals.

Current state of the art for removal of microfossils such as chemical dissolution and cryogenic disaggregation is time consuming and still damages material. SELFRAG offers rapid disaggregation of the host rock for recovery of microfossils including diatoms, radiolaria and conodonts.