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Flepostore
Flemish Pottery and Stone Reference collection
Siliceous rock (BE.26.0002)
Hand specimen pictures (macro & binocular)
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Rock determination
Sedimentary rock > Biochemical > Siliceous rock
>
Chert
>
Flint
Chronostratigraphy
Phanerozoic
;
Mesozoic
;
Cretaceous
; Upper Cretaceous; Maastrichtian
Lithostratigraphy
Rock name
Silicified chalk
Rock synonyms
tauw (NL)
Additional information
related rock type: Maastricht Limestone.
Find location
Site type
Natural geological outcrop
Location
Belgium
; Limburg (BE); Tongeren
Site name
Tongeren (undefined field)
Excavation or Survey Team
Dr. Roland Dreesen
Additional contextual information
field find in the region of Tongeren (precise coordinates undefined); eluvium Jekerdal
Natural color
white
Aged color
orange brown (due to soiling from loam)
Components
silica; calcite; porous
Texture
Fine-grained
Structure
Weathering
Diagnostic features
very porous and lightweight
Additional information
sample RD47
Thin section
Flepostore inventory nr.
ARCH3.L2.A2
Original inventory nr.
A0100
Collection
Archaeological Department, Ghent University
Type
Covered thin section
Comparable thin section(s)
Microscopic rock features
Components
totally silicified bioclastic calcarenite with indistinct bioclasts (spiculae? Serpulids?); silica mainly microcrystalline quartz; finely disseminated opaque (pyrite?)
Texture
fine-grained
Structure
Weathering
Diagnostic features
Additional information
one micrograph with gypsum filer (purple colour) (picture A0100-1b)
Quantitative thin section analysis
Archaeometry
Sample type
Rock sample
Inventory number
BE.26.0002
Collection
Archaeological Department, Ghent University
Donating institute/person
Dr. Roland Dreesen
Host collection
Other samples available
No
Sample collection method
Field Sampling (clay/rock)
Cite this page as:
Flepostore - https://flepostore.ugent.be/rock/be-26-0002
Last modified: 2024-04-26.
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