| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture middle fine, numerous small and few large inclusions: white, yellowish white, red, voids |
| colour of fresh break |
light red 2.5 YR 7/6 |
| texture of fresh break |
granular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
12.5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-1.1, 1x 6.8 (vughy), 1.0 (channel) |
| inclusions |
17.5%, length: <0.04-2.2 |
| sorting |
moderately sorted sand |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
singular, rounded, very spherical - subspheical, elongate, black, <0.04-0.1 |
|
calciumcarbonate |
riddled with, rounded, very spherical - subspherical, elongate, yellowish white, white, <0.04-0.5 |
|
carbonate pseudomorphoses |
riddled with, very spherical - subspherical, subelongate, yellowish white, white, <0.04-0.8 |
|
mica |
infrequent, spherical, elongate, white, <0.04-0.06 |
|
quartz |
very frequent, well rounded - rounded, subangular, very spherical - subspherical, elongate, grey, clear, <0.04-0.2 |
|
reddish inclusions |
very frequent, rounded, very spherical - subspherical, elongate - subelongate, red, reddish brown, <0.04-0.4 |
|
white inclusions |
frequent, subspherical, white, pale brown, pale red, 0.2-2.2 |