Hydrogeothermal Conditions in Ãire - Geological Survey of Ireland

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HYDROGEOTHERMAL CONDITIONS IN EIRECONTENTSIINTRODUCTIONI-I. Scope and ObjectiveI-2. Historic warm Springs1-3. Terrestial Heat Flow in IrelandII WARM SPRINGS OF IRELANDII-I. Location1I-2. Geological Setting1I-3. Geophysical Setting1I-4. Hydrological Characteristics1I-5. Thermal Characteristics1I-6. Hydrochemical Characteristics1I-7. Main InferencesIIIIVORIGIN AND FUNCTIONINGIII-I. Palaeozoic Thermal Springs and MineralizationIII-2. Present-Day Circulation of Warm Groundwater1II-3. Heat Sources and Heat Conservation1II-4. ConclusionACKNOWLEDGEMENTS AND REFERENCESTable 1. The seventeen Warm Springs located in Leinster and Munster, towhich reference is made in the text.Table 2. Swnmary of Lithological Data from Trim No.1 Well (sunk, 1962)as affecting the main group of Leinster Warm springs (fromSheridan, 1972).Table 3.Table 4.Temperatures and major chemical constituents of the waters of theIrish warm springs, based on samples taken on 15 Nov., and on4 & 7 Dec., 1979. Analyses made at State Laboratory, Collegeof Science, Dublin.Trace elements found in the waters of Irish warm springs, basedon samples taken on 15 Nov., and on 4 & 7 Dec., 1979. Analysesmade at the state Laboratory, College of Science, Dublin.Fig. 1.Fig. 2.Fig. 3.Fig. 4.Fig. 5.Fig. 6.Fig. 7.Location of the recorded Warm Springs of IrelandLocation characteristics and geological setting of the main groupof Leinster Warm SpringsAnnual Temperature Variations for Enfield (No. 1005) and forSt. Gormans (No. 1007) for the years 1976 and 1978.Triangular Diagram plotting of Chemi~al Composition of the watersof Irish Warm SpringsTrace elements Silicon and Iodine plotted against Water TemperaturesConvection Circulation of groundwater in Lower Carboniferous times(after Russell, 1978)Possible present-day groundwater circulation feeding the LeinsterGroup of Warm Springs.
BallinalackNo .1011Hurler's .Cro~5No.2004Newca5tle We~tNo.2003~~~~i.~S'€~rl;allOWSpa&. Boreholer~L::::Jo....'.4l:n1t tMdt-d tjrn.r:stonr\ ~*'DoLin .nd Dolo:n.;lLSCulmFIGURE 1 - LOCATION OF THE RECORDED WARM SPRINGS or IRELAND(Carboniferous lithology after Charlesworth)
Page 1 and 2: IIII1HXDROGEOTHERMAL CONDXTXONSIN E
Page 3: convection uprising of warm water i
Page 7 and 8: - 2 -Normal groundwater in Ireland
Page 9 and 10: - 3 -Ref. No.Name or NamesCounty100
Page 11 and 12: - 5 -II-l. LocationThe general loca
Page 13 and 14: - 7 -Thickness(m)Lithology+ 335 m+
Page 15 and 16: - 9 -Boreholes drilled for water, p
Page 17 and 18: IIII.JJJ.S 0 .No-- --~--f-22C:1. -
Page 19 and 20: - 12 -iSpring No. 2001 2001 2002 20
Page 21 and 22: - FIGURE 5 - TRACE ELEMENTS SILICON
Page 23 and 24: - 14 -Spring No. 2001 2001 2002 200
Page 25 and 26: M'ddl~Slo9~CrySlol\'n~ bos.m.ntor d
Page 27 and 28: FIGURE 7 - POSSIBLE PRESENT~DAY GRO
Page 29 and 30: - 18 -The effects of the varying th
Page 31 and 32: - 20 -CLAYTON, G. and HIGGS, K. (19

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Hydrogeothermal Conditions in Ãire - Geological Survey of Ireland