| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
light red, core: gray; irregular; numerous small to large white inclusions, many large dark inclusions |
| colour of fresh break |
2.5YR6/6, core: 2.5YRN6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
10%; void form: plaines;vughy; void length: 0.025-0.75 |
| inclusions |
20%, length: 0.025-0.75 |
| sorting |
bimodal: poorly-sorted sand in well-sorted silt |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
frequent, angular, subelongate - subspherical, black, 0.05-0.5 |
|
calciumcarbonate |
infrequent, rounded, spherical, white, 0.025-0.375 |
|
carbonate pseudomorphoses |
frequent, rounded, spherical, white;yellowish white, 0.025-0.25 |
|
mica |
infrequent, angular, spherical, white, 0.025-0.125 |
|
more inclusions1 |
frequent, rounded, spherical, white;yellowish white, 0.025-0.375 |
|
more inclusions2 |
frequent, angular, subelongate - subspherical, light green, 0.05-0.5 |
|
quartz |
frequent, subrounded, subspherical, clear;white, 0.025-0.75 |
|
reddish inclusions |
infrequent, rounded, subspherical, reddish brown;reddish brown, 0.025-0.75 |