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State tournament pairings at Appalachian Power Park CLASS AAA Todays games Semifinals Woodrow Wilson vs. Fairmont Senior, 11 a.m.; Jefferson vs. Cabell Midland, 30 minutes after first game Fridays game Championship Semifinal winners, 5 p.m.

Established in the United Kingdom in 1984, the institute is an international non-profit business support organization. Its purpose is to bring timely and practical advice to independent business owners. [Richard P. Musgrave]'s mission will be to expand the institute's presence in Bay, Gulf, Okaloosa and other Panhandle counties. He can be reached at 871-5321 or via e-mail at richmusgrave@iib.org.ws. Seahaven appoints sales director

[Slaughter] steers: Prime and choice steers 1025-1425 lbs 67.00- 70.00. Choice and select steers 1000-1400 lbs 65.00-67.00. Select Steers 900-1100 lbs 60.00-65.00. Slaughter heifers: Prime and choice heifers 1000-1300 lbs 66.00- 69.00. Choice and select heifers 1000-1300 lbs 64.00-66.00. Select heifers 900-1100 lbs 60.00-64.00. Slaughter cows: Canner and cutter 28.00-36.00. Utility and commercial 31.00-38.00. High dressing 38.00-44.00.

The age and conditions of metamorphism in the Highjump Archipelago, East Antarctica, are investigated using samples collected during the 1986 Australian Antarctic expedition to the Bunger Hills–Denman Glacier region. In situ U-Pb dating of monazite from three metasedimentary rocks yields ages between c. 1240–1150 Ma and a weighted mean 207Pb/206Pb age of 1183±8 Ma, consistent with previous constraints on the timing of metamorphism in this region and Stage 2 of the Albany–Fraser Orogeny in south-western Australia. This age is interpreted to date the development of garnet ± sillimanite ± rutile-bearing assemblages that formed at c. 850–950°C and 6–9 kbar. Peak granulite facies metamorphism was followed by decompression, evidenced largely by the partial replacement of garnet by cordierite. These new pressure–temperature determinations suggest that the Highjump Archipelago attained slightly higher temperature and pressure conditions than previously proposed and that the rocks probably experienced a clockwise pressure–temperature evolution.

We ally aeromagnetic interpretation with constrained three-dimensional (3D) gravity inversion over the Musgrave Province in central Australia to produce a 3D architectural and kinematic model of the ca. 550 Ma compressional intraplate Petermann orogeny. Our model is consistent with structural, metamorphic, and geochronological constraints and crustal-scale seismic models. Aeromagnetic interpretation indicates that divergent thrusts at the margins of the province are cut by transpressional shear zones that run along the axis of the orogen. Gravity inversion indicates that the marginal thrusts are crustal-scale and shallow-dipping, but that the transpressional shear zones of the axial zone are more steeply dipping, and penetrate the crust-mantle boundary, accommodating offsets of 10-25 km. This thick wedge of mantle within the lower crust has been in isostatic disequilibrium for more than 500 Ma, and we suggest that this load may be supported by local lithospheric strengthening resulting from the emplacement of relatively strong lithospheric mantle within the relatively weak lower crust. Other orogenic processes inferred from the model include: probable inversion of relict extensional architecture; crustal-scale strain partitioning leading to strain accommodation by the vertical and lateral extrusion of relatively undeformed crustal blocks; and escape tectonics directed toward the relatively free eastern margin of the orogen. These processes are consistent with the concept that mechanical and thermal heterogeneities in the lithosphere, and the resulting feedbacks with deformation, are the dominant controls on intraplate orogenesis. This model also demonstrates that the architecture and kinematics of the Petermann orogeny require modification of leading models of Gondwana assembly.

Congress grills acting Attorney General Matthew Whitaker about his role in the Mueller investigation. Amazon CEO Jeff Bezos accuses The National Enquirer of extortion, claiming the tabloid threatened to publish intimate photos from his extramarital affair. Mark Shields and David Brooks discuss the State of the Union, the deepening political crisis in Virginia, and the deadline to prevent another government shutdown. Country music artist Kacey Musgraves is taking cues from pop and electronic music on her new album. And John Dingell, the longest serving member of Congress in U.S. history, is remembered. More evidence emerges linking the Saudi crown prince to the murder of journalist Jamal Khashoggi. A mother who lost her child to the opioid epidemic speaks out on the urgent need to solve the crisis. GUESTS: Cheryl Juaire, Claire Galofaro, Mark Mazzetti, Jim Rutenberg