Matter
Name
Pigment Pierremorte (PIG_0020_B), ferruginized limestone
Family
mineral
Comments
contains also some organic matter (21.68% CO2) and minor Al-bearing minerals (2.28% Al2O3)
Level
from laboratory repository
Origins
natural terrestrial
Provider
Pigmenthothèque - EDYTEM
Provider reference code
Pierremorte – PIG_0020_B (2015-026)
Local reference code
PIG_0020_B_Pierremorte
Body name
Earth
Terrain type
mineral surface
Place
Courry, Gard , Occitanie , France

Coordinates

System
WGS84
Position type
point
Geolocation
Point Latitude Longitude Altitude
#1 44.3114° 4.1411°
Comments
in mine, W of village
Preparation
raw
Storage condition
room temperature and conditions
Phase type
solid
Component type (group)
sedimentary rock (iron-sediment or ironstone)
Comments
Partly ferruginised bioclasts (3mm) in a ferruginized carbonated matrix - Era: Mesozoic, middle Jurassic, Callovien
Texture
compact mixed
Type of porosity
without pores
Porosity
0.0e+00
Texture
compact
Grain compacity
1.0
Size distribution
mostly poor grained (matrix) with only 7-10% of grains up to 1mm
Oxides
Formula $SiO_{2}$ $Al_{2}O_{3}$ $Fe_{2}O_{3}$ $MnO$ $MgO$ $CaO$ $Na_{2}O$ $K_{2}O$ $TiO_{2}$ $P_{2}O_{5}$
Mass fraction (%) 5.21 2.28 35.92 0.24 0.47 29.58 0.03 0.48 0.081 0.06
Oxides comments
Contain small impurity of Mn, Mg, Na, K, Ti, P (1.36% in oxides), fire loss: 24.93%
Number
3
Mode of mixing
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Ferruginized carbonated matrix Ferruginized carbonated matrix containing the ferruginized bioclasts and some quartz grains undetermined abundance
ferruginized bioclasts (hematite) ferruginized bioclasts (mainly bioclasts) (hematite) embedded in the ferruginized carbonated matrix
Quartz inclusions grains embeded in the ferruginized carbonated matrix, isolated 0.05 < 5%. Assumed mass fraction = cross section fraction