| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour reddish brown, texture coarse, numerous fine to large inclusions: white, yellowish, red, grey, voids |
| colour of fresh break |
7.5 YR 6/6 |
| texture of fresh break |
granular |
| hardness |
soft |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
15%; void form: vughy (0.06-9.6), channel (0.08-1.6); void length: 0.06-9.6 |
| inclusions |
22.5%, length: <0.04-5.0 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, spherical, elongate, black, 0.04-0.2 |
|
calciumcarbonate |
riddled with, well rounded - rounded, very spherical - subspherical, elongate, yellowish, white, 0.04-0.4 |
|
carbonate pseudomorphoses |
singular, rounded, spherical, white, 0.27-1.6 |
|
foraminifera |
infrequent, rounded, very spherical, subspherical, yellowish grey, 0.12-0.28 |
|
mica |
infrequent, angular, spherical, white, dark, <0.04-0.04 |
|
more inclusions2 |
very frequent, subangular - very angular, subspherical - subelongate, elongate, yellowish brown, yellowish, reddish, 0.08-2.0 |
|
quartz |
infrequent, well rounded, very spherical, elongate, grey, white, clear, 0.04-0.2 |
|
reddish inclusions |
very frequent, well rounded - rounded, very spherical - subspherical, elongate, reddish brown;reddish brown, <0.04-5.0 |