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Flepostore
Flemish Pottery and Stone Reference collection
Sandstone (BE.22.0015)
Hand specimen pictures (macro & binocular)
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Rock determination
Sedimentary rock > Siliciclastic > Sandstone
>
Glauconite-rich sandstone
Chronostratigraphy
Phanerozoic
;
Cenozoic
;
Paleogene
; Eocene; Ypresian
Lithostratigraphy
Tielt Formation
Rock name
Fieldstone
Rock synonyms
veldsteen; kiezelzandsteen van het Paniseliaan; grès lustré (du Panisélien); pierre de champs; pierre volante
Additional information
Find location
Site type
Quarry
Location
Belgium
; Oost-Vlaanderen; Oudenaarde
Site name
Leupegem, Ten Berge
Excavation or Survey Team
Additional contextual information
Natural color
greenish to bluish grey
Aged color
grey to light grey
Components
quartz; typical glauconite appears as dark-green to black round to oval grains; heterogeneous silica cement and locally opal/chalcedony cement
Texture
fine- to medium-grained; quartzitic texture
Structure
Weathering
oxidation of glauconite (brown colors)
Diagnostic features
glauconite
Additional information
Thin section
Flepostore inventory nr.
GEOL1.L1.A9
Original inventory nr.
35023
Collection
Geological Department, Ghent University
Type
Covered thin section
Comparable thin section(s)
Microscopic rock features
Components
mainly quartz and glauconite grains, minor amounts of muscovite, microcline, diatoms and sponge needles; opal cement; mainly grain supported but locally matrix supported
Texture
sub-rounded to angular quartz (fine grain size); rounded glauconite grains (medium grain size)
Structure
no observed preferential orientation of quartz splinters or sponge needles
Weathering
oxidation of glauconite grains
Diagnostic features
glauconiferous sandstone/quartzite; opal cement
Additional information
Quantitative thin section analysis
Archaeometry
Sample type
Rock sample
Inventory number
BE.22.0015
Collection
Geological Department, Ghent University
Donating institute/person
Host collection
Other samples available
Yes
Sample collection method
Field Sampling (clay/rock)
Cite this page as:
Flepostore - https://flepostore.ugent.be/rock/be-22-0015
Last modified: 2024-05-02.
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