Object's details: Chocolate' flint : 3D documentation

Provider:Repozytorium Cyfrowe Instytutów Naukowych

Description

Title:
Chocolate' flint : 3D documentation
Creator:
Werra, Dagmara H.
Description:
Geological sample;
Wierzbica 'Zele';
blade technique;
Upper Jurassic flint (Upper Oxford);
10 YR 2/1 10 YR 3/2, 10 YR 3/10;
0 - non - transparent;
matt;
silica matrix mostly very homogenous in texture; nonhomogenous inside the concretion: black middle part of the concretion (10 YR 2/1), the size of this part in comparison to the rest of the concretion may differ very much; the black core is surrounded by dark grey mass (10 YR 3/10) or very dark grey-brown mass (10 YR 3/2), the division between the colours of the core and the surrounding mass is very clear;
non;
12 mm;
3 mm;
43 mm;
1,5 g;
First characteristics of chocolate flint containing an attempt to determine distinct features of flint "Zele" type from Wierzbica mine was given by R. Schild (1971). There were three levels of occurrence of flint concretions at the Wierzbica „Zele” site. They occurr in two types – as large plates and as nodule-like concretions. Raw material extracted at Wierzbica „Zele” site differs from other similar varieties of chocolate flint by weaker lustre and the occurrence of clear demarcation between black and brown chocolate colour in the flint mass of some part of concretions;
Upper Jurassic
Object availability:
free access
Rights:
Creative Commons Attribution BY-SA 3.0 PL license;
Copyright-protected material. [CC BY-SA 3.0 PL] May be used within the scope specified in Creative Commons Attribution BY-SA 3.0 PL license, full text available at:;
- ;
Open
Type:
image;
Research data
Relation:
Atlas skał
Subject:
siliceous rocks;
flint
Data provider:
Repozytorium Cyfrowe Instytutów Naukowych

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Object's details: Chocolate' flint : 3D documentation

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