| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, texture middle fine and compact, numerous fine to infrequent large inclusions: white, brown, red, voids |
| colour of fresh break |
light red 2.5 YR 6/8 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: channel (0.04-0.6), vughy (0.04-0.8); void length: 0.04-0.8 |
| inclusions |
15%, length: <0.04-1.6 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
singular, rounded, subspherical, black, 0.08-0.12 |
|
calciumcarbonate |
riddled with, well rounded - subangular, very spherical - subspherical, elongate, yellowish, white, <0.04-0.7 |
|
carbonate pseudomorphoses |
infrequent, well rounded, very spherical - subspherical, white, 0.04-1.0 |
|
foraminifera |
very frequent, well rounded, very spherical, very elongate, white, grey, 0.08-0.4 |
|
mica |
frequent, angular, elongate, spherical, white, <0.04-0.04 |
|
more inclusions2 |
very frequent, subangular - very angular, subspherical, subelongate, yellowish brown, reddish, 0.08-1.6 |
|
quartz |
singular, well rounded, very spherical - subspherical, elongate, white, 0.08-1.6 |
|
reddish inclusions |
very frequent, well rounded - rounded, very spherical - subspherical, elongate - subelongate, red, reddish brown, <0.04-1.4 |