Matter
Name
Pigment Pierremorte (PIG_0020_B_601), powder (grains inf. 160µm)
Family
mineral
Comments
contains also some organic matter (21.68% CO2) and minor Al-bearing minerals (2.28% Al2O3)
Parent matter
Pigment Pierremorte (PIG_0020_B), ferruginized limestone
Level
from laboratory repository
Origins
natural terrestrial
Provider
Pigmenthothèque - EDYTEM
Provider reference code
Pierremorte < 160 µm – PIG_0020_B_601 (2016-026)
Local reference code
PIG_0020_B_601_Pierremorte-inf160
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
sieved fraction
Method
crushed and sieved with a mesh of 160 µm
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
pulverulent
Type of porosity
particulate
Density
1.0 $\pm$ 0.05 $g.cm^{-3}$
Texture
compact
Grain density
1.0 $\pm$ 0.05 $g.cm^{-3}$
Grain sizes
Grains Size min Size max Size median Size width Size mass fraction Grain shape
#1 160.0 ${\mu}m$ 1.0 None
Size distribution
possibly large fraction below 50-100 µm
Size method
sieving with mesh of 160 µm
Comments
density varies with the degree of settlement
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 grains embeded in the ferruginized carbonated matrix, isolated 0.05 < 5%. Assumed mass fraction = cross section fraction in raw material