7 8 Key points 9-Compaction band instabilities due to cataclasis and dissolution in rocks 10-Strong chemo-poro-mechanical coupling, grain breakage and chemical softening 11-Regions of instability, compaction band thickness and periodicity 12 13 Abstract 14 During compaction band formation various mechanisms can be involved at different scales. 15 Mechanical and chemical degradation of the solid...

Lead contamination is of great concern because of its adverse effects on human health, especially children. This research evaluated the effects of phosphate rock on chemical associations of Pb in eight Pb-contaminated soils using a sequential extraction procedure. The chemical fractions are operationally defined by an extraction sequence in the order of increasing ability to dissolve Pb of lowe...

OBJECTIVES Deposits of carbonate rock like limestone and dolomite may contain tremolite asbestos. This study assessed the exposure to tremolite asbestos and the respiratory health of Swedish dolomite workers. METHODS 95% of 137 eligible workers at two dolomite producing companies completed a self administered questionnaire that included questions on respiratory symptoms and were examined with...

Abstract Modified or low-salinity waterflooding of carbonate oil reservoirs is considerable economic interest because potentially inexpensive incremental production. The injected modified brine changes the surface chemistry rock and crude interfaces detaches some adhered oil. Composition design to enhance recovery determined by labor-intensive trial-and-error laboratory corefloods. Unfortunatel...

The evaluation of caprock integrity and reservoir efficiency is critical for safe CO2 geological storage management. It therefore important to investigate geochemical reactions between CO2-rich fluids host rocks their contribution in retaining at depth. This study deals with diffusive reaction experiments on shales carbonate samples cored from an offshore structure the Malaysian basin, a potent...

The study reports petrography, mineralogy and carbonate geochemistry stable isotopy of various types ocelli (silicate-carbonate globules) observed in the lamprophyres from Chadobets Uplift, southwestern Siberian craton. are related to REE-bearing Chuktukon carbonatites. On basis their morphology, relation with surrounding groundmass, we distinguish three ocelli: carbonate-silicate, containing c...