| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture fine and compact, numerous small and few large inclusions: grey, white, red |
| colour of fresh break |
light red 2.5 YR 7/6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy, channel; void length: 0.04 (vughy, channel)-0.9 (vughy), 0.48 (channel) |
| inclusions |
15%, length: <0.04-1.1 |
| sorting |
bimodal: poorly-sorted sand in well-sorted silt |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, very spherical - subspherical, elongate, black, <0.04-0.6 |
|
calciumcarbonate |
riddled with, rounded, very spherical - subspherical, elongate, yellowish-white, white, <0.04-0.4 |
|
carbonate pseudomorphoses |
singular?, very spherical - subspherical, yellowish-white, 0.06-0.6 |
|
foraminifera |
frequent, well rounded, very spherical, grey, 0.16-0.28 |
|
mica |
singular, spherical, elongate, white, <0.04 |
|
quartz |
frequent, well rounded - rounded, very spherical - subspherical, grey, clear, yellowish, <0.04-0.6 |
|
reddish inclusions |
frequent, rounded, very spherical - subspherical, elongate, reddish brown, red, <0.04-1.1 |