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Abstract Thermal expansion during the first heating cycle at atmospheric pressure was measured in several directions in seven igneous rocks between 25° and 400°C at slow heating rates. The… (More)
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1979.
Abstract The slow (≤ 1°C/min) heating and cooling of Westerly granite and two diabases (Frederick MD and Pageland SC) at 1 atm pressure and temperatures up to 900°C produces cracks with relatively… (More)
Abstract : Several results of the project stand out. First, the DSA technique provides an important method of characterizing microcracks. Second, a suite of rocks with crack porosity that varies from… (More)
ABSTRACT Microcracks in rocks can be characterized by their effects on various physical properties. One technique which we have developed recently, termed differential strain analysis (DSA), uses… (More)