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<br />I <br />I <br />I r' <br />-' <br /> <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />c:.j <br />--I <br />f"- <br />CJ <br />('.~j <br /> <br />horizontal bedding planes, or laterally in the near-vertical plane of a fault <br />zone. <br /> <br />If upward leakage rates from the upper confined aquifer to the unconfined <br />aquifer are relatively slow (Zorich-Erker Engineering, 1980), then this factor <br />along with the downward leakage may be indicative of considerable deep <br />confined aquifer ground water movement out of the central Valley area, most <br />likely to the south. <br /> <br />TABLE 2.1 <br />LEAKAGE RATE ANALYSIS OF <br />ALAMOSA GEOTHERMAL WELL <br /> <br />INTERVAL <br /> <br />DEPTH INTERVAL THICKNESS LEAKAGE RATE <br />(feet) (feet) (feet/year) <br />2000 - 2400 400 +0.08 <br />2100 - 2300 200 +0.17 <br />2200 - 2400 200 +0.17 <br />4140 - 4200 60 -1.7 <br />4075 - 4200 125 -0.14 <br />4252 - 4290 38 -0.46 <br />4150 - 4300 150 -0.45 <br />5082 - 5156 76 -1. 45 <br />5160 - 5460 300 -0.34 <br />5220 - 5360 140 -0.48 <br /> <br />A. <br /> <br />B. <br /> <br />C. <br /> <br />NOTE: A positive value (+) indicates downward leakage. <br />A negative value (-) indicates upward leakage. <br /> <br />2-11 <br />