A deep research drill hole at the summit of an active volcano, Kilauea, Hawaii
A deep research drill hole at the summit of an active volcano, Kilauea, Hawaii
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夏威夷基拉韦厄活火山山顶的一个深研究钻孔
DOI：
10.1029/gl001i007p00323
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发表时间：
1974
影响因子：
5.2
通讯作者：
J. Murray
中科院分区：
文献类型：
--
作者：
C. J. Zablocki;R. Tilling;D. W. Peterson;R. L. Christiansen;G. Keller;J. Murray
推断位于夏威夷基拉韦厄火山岩浆库上方的 1,262 米深钻孔的钻探和地球物理测井数据支持了基于地表地球物理调查的早期解释，即岩浆库上方存在微咸水或咸水区。洞内的温度不足以保证商业利益；最高温度为 137°C，位于孔底。然而，向孔底部（海平面以下约 160 m）的温度梯度急剧增加至约 370°C/km，这可能部分反映了地球物理测井数据表明的水循环减少的影响。如果这种梯度持续存在或随着深度的增加而增加，岩浆温度将在距洞底 3 公里（即距地表约 4 公里）的范围内达到，该深度与地面变形和地震研究的数据一致。
Drilling and geophysical logging data for a 1,262 m-deep bore hole in the area inferred to overlie the magma reservoir of Kilauea Volcano, Hawaii, support earlier interpretations based on surface geophysical surveys that a zone of brackish or saline water lies above the reservoir. Temperatures encountered within the hole are not sufficiently high to warrant commercial interest; the maximum temperature, 137°C, is at the hole bottom. However, the temperature gradient toward the bottom of the hole (approximately 160 m below sea level) increases sharply to about 370°C/km, perhaps partly reflecting the effect of decreased water circulation as suggested by the geophysical logging data. If this gradient persists or increases with depth, magmatic temperatures would be attained within 3 km from the hole bottom (i.e., approximately 4 km from ground surface)—a depth in accord with data from ground-deformation and seismic studies.