| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
reddish yellow, irregular; some large to very large yellowish white inclusions, some mid-sized dark particles |
| colour of fresh break |
5YR6/6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: channel;vughy |
| inclusions |
20%, length: 0.02-2 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black iron oxide concretions |
infrequent, rounded, spherical, brownish black, 0.03-0.06 |
|
calciumcarbonate |
frequent, rounded, spherical, white, 0.03-2 |
|
carbonate pseudomorphoses |
frequent, rounded, spherical, white, 0.03-0.24 |
|
grey inclusions |
infrequent, subangular, subspherical, light grey, 2 |
|
mica |
infrequent, angular, spherical, white, 0.03 |
|
quartz |
infrequent, angular, spherical, clear;white, 0.06-0.6 |
|
reddish inclusions |
frequent, angular, subspherical, light red, 1-2 |
|
red iron oxide concretions |
frequent, rounded, subelongate, reddish brown;reddish brown, 0.06-0.3 |