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A reconnaissance study carried out in conjunction with regional geologic mapping.
Evidence for Early Proterozoic north-verging folding and thrusting in the continental foreland of the Penokean orogen is present in two widely separated areas in northern Michigan. In the eastern part of the exposed orogen, asymmetric to over-turned folds in the Early Proterozoic Michigamme Formation suggest an initial (D1) phase of possibly north verging thin-skinned deformation. A second phase (D2 ) is characterized by a more thick skinned deformation consisting of northward thrusting of Archean gneiss and overlying Early Proterozoic quartzite along ductile thrust faults. Crosscutting shear zones indicate a third phase (D3 ) of deformation involving east- northeast thrusting of Archean gne...
As Judy Gruen walked down the aisle and into her Orthodox Jewish future, her bouquet quivered in her shaky hand. Having grown up in the zeitgeist that proclaimed, “If it feels good, do it,” was she really ready to live the life of “rituals, rules, and restraints” that the Torah prescribed? The Skeptic and the Rabbi is a rare memoir with historical depth, spirituality, and intelligent humor. Gruen speaks with refreshing honesty about what it means to remain authentic to yourself while charting a new yet ancient spiritual path at odds with the surrounding culture, and writes touchingly about her family, including her two sets of grandparents, who influenced her in wildly opposite ways. As she navigates her new life with the man she loves and the faith she also loves—surviving several awkward moments, including when the rabbi calls to tell her that she accidentally served unkosher food to her Shabbat guests—Gruen brings the reader right along for the ride. Reading this wry, bold and compelling memoir, you’ll laugh, you’ll cry, and when you’re finished, you may also have a sudden craving for chicken matzo ball soup—kosher, of course.
The Early Proterozoic Michigamme Formation of northern Michigan was deposited in the southeastern part of the Animikie basin. The formation conformably overlies the Goodrich Quartzite and comprises three widespread members a lower member of thin-bedded shale, siltstone, and sandstone; the Bijiki Iron-formation Member; and an upper member of tur- biditic graywacke, siltstone, and mudstone and a few local members. The Goodrich Quartzite is interpreted as having been deposited in a tidally influenced shallow marine environ- ment. The lower member of the Michigamme is interpreted as having been deposited in a tidally influenced environment, the iron-formation member as having been deposited belo...