 | Barnes, Ivan, Presser, T.S., Saines, Marvin, Dickson, Peter, Van Groos, A.F.Koster (1982) Geochemistry of highly basic calcium hydroxide groundwater in Jordan. Chemical Geology, 35 (1) 147-154 doi:10.1016/0009-2541(82)90024-9 | Journal (article/letter/editorial) | | OF HIGHLY BASIC CALCIUM HYDROXIDE GROUNDWATER IN JORDAN IVAN BARNES A.F. K O S T E R I , T.S. P R E...of highly basic calcium hydroxide groundwater in Jordan. Chem. Geol., 35: 147--154. Highly-alkaline (pH...origin. INTRODUCTION In the Yarmouk River drainage in Jordan, 30 km north of Irbid, travertine depositing...is meant. The serpentinization reaction yields brucite [Mg(OH}:] if the MgO c o m p o n e n t is available...hydrolysis of a MgO-rich c o m p o n e n t to yield brucite exists, then an even more alkaline oxide c o m |  | | Journal (article/letter/editorial) | | analogues, including the hyperalkaline springs at Maqarin, Jordan (more than 100,000 y), saline, alkaline lakes...conditions of hydraulic gradients in fractured rocks (Maqarin), but may be limited to a few centimetres over...fluids include: fluid mixing (alkaline oil floods, Maqarin), ion exchange (alkaline oil floods, Tournemire)...alkaline oil floods, or at fracture margins at Maqarin, Jordan). Data from industrial and natural analogues...barrier performance, hydraulic gradients, Maqarin, Jordan, Tournemire, France. Introduction * E-mail: |  | | Journal (article/letter/editorial) | | interface will impede further degradation. The extended area in the argillaceous rocks displays an elevated pH...solids together with Ca-carbonate, portlandite and brucite. This was associated with a decrease in the pH...the leached zone. The authors noted the lack of brucite formation in the CEM I material. It was also suggested...crushing is normally necessary to increase the surface area available for reaction in an appropriate time frame...Porosimetry analysis of the OPC-OPA interface showed an area of reduced porosity within the cement matrix, ≈ |
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