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BDFGeotherm - a web database of geothermal fluids in Switzerland

BDFGeotherm – General information on Pre-Saint-Didier

Site description
Country Italy
Canton/Province Aoste Valley
Use None
Geology
Surface formation Limestone
Age of surface formation Jurassic
Reservoir formation Limestone
Age of reservoir formation Trias
Geological setting Sion-Courmayeur zone
Pre-Saint-Didier
Pre-Saint-Didier
Pre-Saint-Didier has 2 sampling points
Therm. Spring (PRESD-STIEDE)
Therm. Spring (PRESD-STH)
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Site: Pre-Saint-Didier
Sampling point: Therm. Spring
Sample name: PRESD-STH
Description
Samplig point type: Gallery
X-coord: 565'000
Y-coord: 068'000
Elevation: no data
Depth: no data
Hydraulics
Flow rate: 2.17 l/s
Surface temperature: 35.8 °C
Max. measured temp.: 35.9 °C
Hydraul. conduct.: no data
Exploitation mode: Free flow
Hydrochemistry
Sampling date: 23.06.1977
Geochemical type: Ca-HCO3>SO4
Temperature: 35.8 °C
Electrical conductivity: 992 µS/cm
pH: 7.05
Cations (mg/l)
Li: 0.1
Na: 75.1
K: 3.6
Mg: 22.8
Ca: 147
Sr: 3
Anions (mg/l)
F: 0.5
Cl: 49
SO4: 175
HCO3: 414
Undissociated (mg/l)
SiO2: 33.5
TDS: 924 mg/l
Ionic balance: 3.41 %
Isotopes
Sampling date: 23.06.1977
δ18O: -14.37 ‰
D: -105.20 ‰
3H: 14.0 TU
14C: no data
Resid. time: <1953 years/date
Infiltration area: 2200 masl
Geothermal parameters
Min. reservoir temp.: 45 °C
Max. reservoir temp.: 55 °C
Reservoir depth: no data
Geoth. gradient: no data
Geoth. potential: 234 kWth
Geological log not available
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