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Visual Examination of Fresh Break
|
| visual examination of fresh break |
blaßbraun, mh, porös, gratiger Bruch, zahlreiche mittelgroße bis große weiße und braune Einschlüsse |
| colour of fresh break |
10YR6/4, light yellowish brown |
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Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
2.5%; void form: channel; void length: 0.04-0.12 |
| inclusions |
10%, length: 0.02-1.2 |
| sorting |
unsorted |
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Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, subangular, spherical, black |
|
brown inclusions |
frequent, subangular, spherical, rusty brown to dark brown, 0.08-1.2 |
|
calciumcarbonate |
frequent, subangular, very spherical, white, 0.06-0.08 |
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foraminifera |
infrequent, rounded, very spherical, white, 0.12-0.16 |
|
grey inclusions |
frequent, very angular, subspherical, light grey, 0.4-0.8 |
|
mica |
infrequent, 0.02 |
|
quartz |
very frequent, very angular, spherical, clear;white, 0.28-1.2 |
|
reddish inclusions |
frequent, angular, subspherical, rust coloured, 0.08-0.12 |
|
white inclusions |
frequent, subangular, spherical |