| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour yellowish brown, texture very coarse, numerous large inclusions: white, yellowish, reddish, grey, voids |
| colour of fresh break |
pink 7.5 YR 7/4 |
| texture of fresh break |
granular |
| hardness |
soft |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
15%; void form: vughy (0.06-4.0), channel (0.08-3.6); void length: 0.04-4.0 |
| inclusions |
25%, length: <0.04-5.0 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
frequent, spherical - subspherical, elongate, black, <0.04-0.08 |
|
calciumcarbonate |
frequent, rounded - subrounded, subspherical, subelongate, white, yellowish, 0.04-1.6 |
|
carbonate pseudomorphoses |
singular, rounded, subspherical, white, 0.2-2.0 |
|
foraminifera |
frequent, well rounded, rounded, very spherical, subspherical, very elongate, grey, 0.08-0.6 |
|
mica |
infrequent, angular, elongate, white, dark, <0.04-0.04 |
|
more inclusions2 |
infrequent, rounded - subrounded, subangular - very angular, spherical - subspherical, subelongate, yellowish, yellowish grey, 0.08-5.0 |
|
quartz |
infrequent, well rounded, angular, spherical - subspherical, white, grey, 0.04-0.16 |
|
reddish inclusions |
frequent, rounded, spherical, elongate, subelongate, very elongate, red, reddish brown, <0.04-0.7 |