Browsing by Author "Rakovan J."

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FE AND NI IMPURITIES IN SYNTHETIC DIAMOND

Meng Y.; Newville M.; Sutton S.; Rakovan J.; Mao H.-K. (2003)

Using synchrotron X-ray fluorescence (XRF) microanalysis, including XRF tomography, and X-ray absorption near-edge structure (XANES) analyses, the distribution, and nature of incorporation of Fe and Ni impurities in as-grown ...
GROWTH AND SURFACE PROPERTIES OF APATITE

Rakovan J. (2002)

The surface defines the interface between a mineral and its surroundings. In a dynamic context, reactions that occur between apatites and the environments in which they exist take place at or through their surfaces. This ...
INTRACRYSTALLINE RARE EARTH ELEMENT DISTRIBUTIONS IN APATITE: SURFACE STRUCTURAL INFLUENCES ON INCORPORATION DURING GROWTH

Rakovan J.; Reeder R.J. (1996)

Intracrystalline REE distributions in fluorapatite have been studied using cathodoluminescence and synchrotron X-ray fluorescence microanalysis (SXRFMA). In the apatite samples studied the {1010} face grows by the spiral ...
MICROTOPOGRAPHIC EVOLUTION OF MINERAL SURFACES AS A TOOL TO IDENTIFY AND DATE YOUNG FAULT SCARPS IN BEDROCK

Mayer L.; Rakovan J.; Rufe E. (2000)

Faulting that results in surface ruptures through bedrock can be particularly difficult to date. For example, stratigraphic control on the age of faulting, based on the age of the bedrock, often leaves unacceptably large ...

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