Anagnostou, "New apparatus and experimental setup for long-term swelling tests on sulphatic
claystones," Rock Mechanics and Rock Engineering, vol.
A sharp boundary partially modified the succession by a first sulphatic
interval (S1) that cuts Bed V and by a second sulphatic
interval (S2) that distorts at least part of Level G2.
0.3% is sulphatic
, and the remaining part is sulphitic S .
The presence of large amount of Ca2+ and Mg2+ (in sulphatic
form) causing gastro intestinal disorder [10,11].
There exist also a C-S-H (calcium-silicate-hydrate) phase and an AFt (sulphatic
Characterization of Goynuk oil shale Elemental composition of OM, wt% Proximate analysis, wt% dry basis   Ash ([A.sup.d]) 16.0 C 67.6 63.8 OM ** 84.9 H 8.3 8.0 Sulphur distribution, wt% dry basis S 4.4 Total 3.76 N 1.3 Sulphatic
0.13 O * 18.4 Pyritic ([S.sub.p]) 0.54 H/C 1.48 1.50 Organic * 3.09 * Calculated from difference.
[S.sub.t], [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], [S.sub.p], S--total, sulphatic
, pyritic and organic sulphur, respectively.