| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
light brown to pinkish gray, granular; some fine white inclusions, few dark mid-sized to large inclusions |
| colour of fresh break |
7.5YR6/2-7.5YR6/4 |
| texture of fresh break |
granular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: channel;vughy; void length: 0.01-1.7 |
| inclusions |
12.5%, length: 0.01-0.9 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
frequent, subangular - rounded, spherical - subspherical, black, 0.07-0.9 |
|
calciumcarbonate |
singular, angular, subspherical, white, 0.37 |
|
carbonate pseudomorphoses |
riddled with, rounded - subrounded, spherical - subspherical, white, 0.02-0.2 |
|
foraminifera |
singular, subrounded, subspherical, white, 0.55 |
|
mica |
frequent, angular, subelongate, white, 0.01 |
|
more inclusions1 |
infrequent, angular, spherical - elongate, black, glassy, 0.3 |
|
quartz |
frequent, angular - subrounded, spherical - subelongate, clear;gray;gray, 0.07-0.42 |
|
reddish inclusions |
frequent, rounded - subrounded, spherical - subspherical, reddish brown;reddish brown, 0.07-0.8 |