Barney J. Szabo J.G. Moore K. R. Simmons K.R. Ludwig 1991 <p><span>A series of submerged coral reefs off northwestern Hawaii was formed during (largely glacial) intervals when the rate of local sea-level rise was less than the maximum upward growth rate of the reefs. Mass-spectrometric&nbsp;</span>²³⁴<span>U/</span>²³⁸<span>U ages for samples from six such reefs range from 17 to 475 ka and indicate that this part of the Hawaiian Ridge has been subsiding at a roughly uniform rate of 2.6 mm/yr for the past 475 ka. The&nbsp;</span>²³⁴<span>U/</span>²³⁸<span>U ages are in general agreement with model ages of reef drowning (based on estimates of paleo-sea-level stands derived from oxygen-isotope ratios of deep-sea sediments), but there are disagreements in detail. The high attainable precision (±10 ka or better on samples younger than ∼800 ka), large applicable age range, relative robustness against open-system behavior, and ease of analysis for this technique hold great promise for future applications of dating of 50-1000 ka coral.</span></p> application/pdf 10.1130/0091-7613(1991)019<0171:CSROHD>2.3.CO;2 en Geological Society of America Crustal subsidence rate off Hawaii determined from 234U/238U ages of drowned coral reefs article