| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture middle-fine and compact, numerous small and few large inclusions: white, red, voids |
| colour of fresh break |
light red 2.5 YR 6/6 |
| texture of fresh break |
smooth |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-0.7 (vughy), 0.5 (channel) |
| inclusions |
17.5%, length: <0.04-0.7 |
| sorting |
bimodal: poorly-sorted sand in well-sorted silt |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, very spherical - subspherical, elongate, black, <0.04-0.12 |
|
calciumcarbonate |
riddled with, well rounded - rounded, very spherical - subspherical, elongate, white, yellowish-white, <0.04-0.7 |
|
carbonate pseudomorphoses |
riddled with, very spherical - subspherical, subelongate, white, yellowish-white, <0.04-0.24 |
|
foraminifera |
singular, well rounded, very spherical, 0.6 |
|
mica |
infrequent, spherical, white, <0.04-0.4 |
|
quartz |
very frequent, well rounded - rounded, very spherical - subspherical, grey, clear, <0.04-0.12 |
|
reddish inclusions |
frequent, rounded, spherical - subspherical, reddish brown, red, 0.04-0.32 |