2026-06-16T02:22:47Zhttp://doidb.wdc-terra.org/oaip/oaioai:doidb.wdc-terra.org:63582026-06-10T09:55:52ZDOIDBDOIDB.GFZfalse4DOIDB.GFZ
10.5880/GFZ.6.2.2018.001
Förster, Hans-Jürgen
Hans-Jürgen
Förster
0000-0002-4654-0382
GFZ German Research Centre for Geosciences, Potsdam, Germany
Accessory Minerals in Felsic Igneous Rocks - Part 1: Composition of monazite-(Ce), xenotime-(Y) and zircon from the multi-stage, peraluminous two-mica granite massif of Bergen (Erzgebirge−Vogtland metallogenic province, Germany)
GFZ Data Services
2018
monazite
xenotime
zircon
mineral composition
two-mica granite
leucogranite
magma differentiation
electron-microprobe analysis
rare earth elements
uranium
thorium
Variscan orogeny
late Carboniferous
Erzgebirge-Vogtland
EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > ELEMENTS
EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > IGNEOUS ROCKS
EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > MINERALS
Rhede, Dieter
Dieter
Rhede
GFZ German Research Centre for Geosciences, Potsdam, Germany
Appelt, Oona
Oona
Appelt
GFZ German Research Centre for Geosciences, Potsdam, Germany
Förster, Hans-Jürgen
GFZ German Research Centre for Geosciences, Potsdam, Germany
1995/2000
Dataset
http://www.minsocam.org/ammin/AM60/AM60_599.pdf
10.1016/0016-7037(89)90286-X
http://www.minsocam.org/msa/AmMin/TOC/Articles_Free/1998/Forster_p1302-1315_98.pdf
http://www.minsocam.org/msa/AmMin/TOC/Articles_Free/1998/Forster_p259-272_98.pdf
10.1093/petroj/40.11.1613
10.1016/0009-2541(72)90016-2
10.1111/j.1751-908X.1991.tb00115.x
10.5880/GFZ.4.8.2021.002
CC BY 4.0
This data set compiles the results of electron-microprobe spot analyses of monazite-(Ce), xenotime-(Y) and zircon from the two-mica granite massif of Bergen. This massif is composed of compositionally and texturally distinct sub-intrusions, which occasionally contain dark microgranular enclaves and are cross-cut by aplitic dikes. These late-Variscan (c. 325 Ma) granites are evolved, Si-rich (70.6−76.3 wt% SiO2), of transitional I−S-type affinity, and spatially associated with minor W−Mo mineralization.
Data indicate that the composition of monazite-(Ce) and zircon changes with fractionation-driven evolution of magma chemistry. In the course of magma differentiation, monazite-(Ce) chemistry evolves towards enrichment Th and U and development of “irregular” chondrite-normalized LREE patterns, with negative anomalies at La or Nd, or both. Monazite-(Ce) precipitated from more evolved magma batches also tends to be richer in MREE and HREE relative to that occurring in early-stage granites. Composition of zircon in more differentiated sub-intrusions displays a large variability. A greater number of grains or domains are distinguished by enrichment in P, Hf, Al, Sc, Y+HREE and low analytical totals, reflecting their crystallization from volatile-rich magmas and/or their interaction with late-magmatic fluids. Xenotime-(Y) chemistry is comparatively insensitive to changes of magma composition that characterized the Bergen massif.
The data set published here contains the complete pile of elecron-microprobe analyses for the three accessory minerals monazite-(Ce) (MonaBrg2018), xenotime-(Y) (XenoBRG2018) and zirkon (ZircBRG2018). All tables are presented as Excel (.xlsx) and csv formats. The content of the tables and further data description are given in the data description file.
Bergen Pluton (surface expression)
12.2542
12.3425
50.4662
50.5335