|Author||Goldberg, David ♦ Borehole, Lamont-Doherty|
|Subject Domain (in DDC)||Computer science, information & general works ♦ Data processing & computer science|
|Subject Keyword||Central Southern Connecticut ♦ Tatnic Hill ♦ Honey Hill Fault Zone ♦ Avalon Complex Rock ♦ Hebron Formation ♦ Gillette Castle ♦ Scientific Drill Hole ♦ Lithotectonic Stratigraphy ♦ Physical Property ♦ Moodus Township ♦ Ectonic Ompaction ♦ Gillette Castle State Park ♦ Well Log ♦ Natural Radioactive Property ♦ Log Data ♦ Log-based Correlation ♦ Metamorphic Rock ♦ Honey Hill Fault Contact ♦ Distinct Similarity ♦ Apparent Dip ♦ Absolute Value ♦ Regional Fracturing ♦ Fine-scale Variation ♦ Anoma-lous Interval ♦ Deformed Rock ♦ Crosshole Correlation|
|Abstract||Abstract. Well logs, acquired in two scientific drill holes in central southern Connecticut near Moodus township and Gillette Castle State Park, measured the electrical, sonic, and natural radioactive properties of the rocks within and adjacent to the Honey Hill fault zone. A crosshole correlation was made with logs of these physical properties which shows distinct similarities between the metamorphic rocks encoun-tered in each hole, even though they are separated by 8 mi (13 km). This log-based correlation indicates that an anoma-lous interval associated with the Honey Hill fault contact maintains a 7 ft (2 m) thickness and an apparent dip of 2-30 between the two holes. The overlying interval, consisting mainly of the Tatnic Hill and Hebron formations, thins by about 150 ft (50 m) between Moodus and Gillette Castle, and the log responses which remain similar in character indicate that ectonic ompaction of this interval has taken place. Log anomalies below the fault in the Avalon Complex rocks are attributed to regional fracturing and brecciation and also correlate between the holes. Differences between the holes in fine-scale variation and absolute value of the logs are gener-ally attributed to intrinsic mineralogy and/or localized stmc-tare. These log data enable the deformed rocks of the Tatnic Hill and Hebron formations and Avalon Complex rocks, including the Honey Hill fault zone, to be correlated crosshole, detailing the lithotectonic stratigraphy as a func-tion of depth.|
|Educational Role||Student ♦ Teacher|
|Age Range||above 22 year|
|Education Level||UG and PG ♦ Career/Technical Study|
|Learning Resource Type||Article|
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