Abstract
Xenotime from the Podwiśniówka mine pit, Holy Cross Mountains (South-Central Poland)
Highlights
This report presents the first results derived from optical microscopy and scanning electron microscopy (SEM)/EDS analyses performed on the xenotime and zircon as well as on their host rocks from the Upper (Middle?) Cambrian succession of the abandoned Podwiśniówka mine pit, Holy Cross Mts, Poland
Some exhibit complex zonation in quadrant back scattering detection (QBSD) images (Fig. 2A-C), but zonation in others is best observed in CL images (Fig. 2E)
From this study the following conclusions can be drawn: 1. Authigenic xenotime overgrowths on detrital zircon grains are a common feature of siliciclastic rocks in the Podwiśniówka area
Summary
Xenotime (YPO4) is a common accessory mineral that occurs in a wide variety of igneous, metamorphic, hydrothermal and sedimentary environments (e.g. Wark, Miller 1993; Förster 1998; England et al 2001; Rasmussen et al 2001, 2007; Kositcin et al 2003; Vallini et al 2005; Richter et al 2006; Stanisławska, Michalik 2008; Harlov et al 2008; Hetherington et al 2008). Wark, Miller 1993; Förster 1998; England et al 2001; Rasmussen et al 2001, 2007; Kositcin et al 2003; Vallini et al 2005; Richter et al 2006; Stanisławska, Michalik 2008; Harlov et al 2008; Hetherington et al 2008) This mineral has found application in geochronology of various sedimentary and diagenetic processes in siliciclastic rocks (McNaughton et al 1999; Kositcin et al 2003; Rasmussen, 2005; Rainbird et al 2006; Hetherington et al 2008). This is a part of a larger ongoing investigation aiming at elucidating various aspects of ore and gangue mineralization and acid mine drainage (AMD) in the Wiśniówka mining area
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