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Play Fairway Analysis of the Central Cascades Arc-Backarc Regime, Oregon: Preliminary Indications
GRC Transactions, Vol. 39, 2015 Play Fairway Analysis of the Central Cascades Arc-Backarc Regime, Oregon: Preliminary Indications Philip E. Wannamaker1, Andrew J. Meigs2, B. Mack Kennedy3, Joseph N. Moore1, Eric L. Sonnenthal3, Virginie Maris1, and John D. Trimble2 1University of Utah/EGI, Salt Lake City UT 2Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis OR 3Lawrence Berkeley National Laboratory, Center for Isotope Geochemistry, Berkeley CA [email protected] Keywords Play Fairway Analysis, geothermal exploration, Cascades, andesitic volcanism, rift volcanism, magnetotellurics, LiDAR, geothermometry ABSTRACT We are assessing the geothermal potential including possible blind systems of the Central Cascades arc-backarc regime of central Oregon through a Play Fairway Analysis (PFA) of existing geoscientific data. A PFA working model is adopted where MT low resistivity upwellings suggesting geothermal fluids may coincide with dilatent geological structural settings and observed thermal fluids with deep high-temperature contributions. A challenge in the Central Cascades region is to make useful Play assessments in the face of sparse data coverage. Magnetotelluric (MT) data from the relatively dense EMSLAB transect combined with regional Earthscope stations have undergone 3D inversion using a new edge finite element formulation. Inversion shows that low resistivity upwellings are associated with known geothermal areas Breitenbush and Kahneeta Hot Springs in the Mount Jefferson area, as well as others with no surface manifestations. At Earthscope sampling scales, several low-resistivity lineaments in the deep crust project from the east to the Cascades, most prominently perhaps beneath Three Sisters. Structural geology analysis facilitated by growing LiDAR coverage is revealing numerous new faults confirming that seemingly regional NW-SE fault trends intersect N-S, Cascades graben- related faults in areas of known hot springs including Breitenbush. -
Talk 8 at State Episode 8: Getting Outside with Abby Hepp Transcript
Talk 8 at State Episode 8: Getting Outside with Abby Hepp Transcript Eliza Barsanti: Welcome to the department of Health and Exercise Studies’ Talk 8 at State Podcast with your host, Eliza Barsanti! EB: A couple weeks into the Fall 2020 semester, Covid-19 precautions caused NC State to put all classes online. This switch caused a lot of change in the lives of NC State students, forcing them to step out of their typical day-to-day routines in favor of something different. Abby Hepp ‘23 took this as an opportunity to go on the adventure of a lifetime-hiking, camping, and climbing her way across the United States! Today, we sit down with her to talk about her cross-country road trip, along with advice and NC State resources that students can use to get outside and craft their own adventures. EB: Okay, so today we are sitting down with Abby Hepp. Abby, would you like to introduce yourself to the podcast? Abby Hepp: Hi my name is Abby Hepp, I am majoring in Communication Media at NC State and I'm currently a sophomore. EB: Awesome! So we're going to get right into it! Today we're going to be talking about some of your adventures that you've been going on in the past few years and using to inspire other people as well, so let's start with- how did you become involved in outdoor activities and adventuring initially? AH: First of all, thank you for having me and initially will growing up, I would say my family was moderately active and you know I kind of had the typical playing outside with the neighbors childhood. -
Glossary Glossary
Glossary Glossary Albedo A measure of an object’s reflectivity. A pure white reflecting surface has an albedo of 1.0 (100%). A pitch-black, nonreflecting surface has an albedo of 0.0. The Moon is a fairly dark object with a combined albedo of 0.07 (reflecting 7% of the sunlight that falls upon it). The albedo range of the lunar maria is between 0.05 and 0.08. The brighter highlands have an albedo range from 0.09 to 0.15. Anorthosite Rocks rich in the mineral feldspar, making up much of the Moon’s bright highland regions. Aperture The diameter of a telescope’s objective lens or primary mirror. Apogee The point in the Moon’s orbit where it is furthest from the Earth. At apogee, the Moon can reach a maximum distance of 406,700 km from the Earth. Apollo The manned lunar program of the United States. Between July 1969 and December 1972, six Apollo missions landed on the Moon, allowing a total of 12 astronauts to explore its surface. Asteroid A minor planet. A large solid body of rock in orbit around the Sun. Banded crater A crater that displays dusky linear tracts on its inner walls and/or floor. 250 Basalt A dark, fine-grained volcanic rock, low in silicon, with a low viscosity. Basaltic material fills many of the Moon’s major basins, especially on the near side. Glossary Basin A very large circular impact structure (usually comprising multiple concentric rings) that usually displays some degree of flooding with lava. The largest and most conspicuous lava- flooded basins on the Moon are found on the near side, and most are filled to their outer edges with mare basalts. -
1922 Elizabeth T
co.rYRIG HT, 192' The Moootainetro !scot1oror,d The MOUNTAINEER VOLUME FIFTEEN Number One D EC E M BER 15, 1 9 2 2 ffiount Adams, ffiount St. Helens and the (!oat Rocks I ncoq)Ora,tecl 1913 Organized 190!i EDITORlAL ST AitF 1922 Elizabeth T. Kirk,vood, Eclttor Margaret W. Hazard, Associate Editor· Fairman B. L�e, Publication Manager Arthur L. Loveless Effie L. Chapman Subsc1·iption Price. $2.00 per year. Annual ·(onl�') Se,·ent�·-Five Cents. Published by The Mountaineers lncorJ,orated Seattle, Washington Enlerecl as second-class matter December 15, 19t0. at the Post Office . at . eattle, "\Yash., under the .-\0t of March 3. 1879. .... I MOUNT ADAMS lllobcl Furrs AND REFLEC'rION POOL .. <§rtttings from Aristibes (. Jhoutribes Author of "ll3ith the <6obs on lltount ®l!!mµus" �. • � J� �·,,. ., .. e,..:,L....._d.L.. F_,,,.... cL.. ��-_, _..__ f.. pt",- 1-� r�._ '-';a_ ..ll.-�· t'� 1- tt.. �ti.. ..._.._....L- -.L.--e-- a';. ��c..L. 41- �. C4v(, � � �·,,-- �JL.,�f w/U. J/,--«---fi:( -A- -tr·�� �, : 'JJ! -, Y .,..._, e� .,...,____,� � � t-..__., ,..._ -u..,·,- .,..,_, ;-:.. � --r J /-e,-i L,J i-.,( '"'; 1..........,.- e..r- ,';z__ /-t.-.--,r� ;.,-.,.....__ � � ..-...,.,-<. ,.,.f--· :tL. ��- ''F.....- ,',L � .,.__ � 'f- f-� --"- ��7 � �. � �;')'... f ><- -a.c__ c/ � r v-f'.fl,'7'71.. I /!,,-e..-,K-// ,l...,"4/YL... t:l,._ c.J.� J..,_-...A 'f ',y-r/� �- lL.. ��•-/IC,/ ,V l j I '/ ;· , CONTENTS i Page Greetings .......................................................................tlristicles }!}, Phoiitricles ........ r The Mount Adams, Mount St. Helens, and the Goat Rocks Outing .......................................... B1/.ith Page Bennett 9 1 Selected References from Preceding Mount Adams and Mount St. -
Washington Division of Geology and Earth Resources Open File Report 74-1
TEPHRA OF SALMON SPRINGS AGE FROM THE SOUTHEASTERN OLYMPIC PENINSULA, WASHINGTON by R. U. BIRDSEYE and R. J. CARSON North Carolina State University WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN FILE REPORT 74-1 1974 This report has not been edited or reviewed for conformity with Division of Geology and Earth Resources standards and nomenclature Revised October, 1989 CONTENTS Page Abstract •.•................••......••........•.......•............• 1 Introduction ....................................................... 1 Acknowledgments •••••••••••••••••••••••••••••••••••••••••••••••••••• 1 Pleistocene climate, glaciation, and volcanism ••••••••••••••••••••• 2 The ashes: Their thickness, distribution, and stratigraphic position •••••••••••••••••••••••••••••••••••••••••• 7 Color and texture of the ash ••••••••••••••••••••••••••••••••••••••• 14 Deposition of the ash •••••••••••••••••••••••••••••••••••••••••••••• 14 Atmospheric conditions during deposition of the ash •••••••••••••••• 20 Usefulness of volcanic ash in stratigraphic determination •••••••••• 21 Canel us ion ....•••.•..••••.••..••......•.••••••.••••....•••••...••.. 21 References cited ••••••••••••••••••••••••••••••••••••••••••••••••••• 23 ILLUSTRATIONS Figure 1 - Maximum extent of the Cordilleran ice sheet •••••••••••• 3 Figure 2 - Summary of late Pleistocene events in western Washington ••••••••••••••••••••••••••••••••••••• 4 Figure 3 - Location map showing inferred extent of minimum areas of fallout of volcanic ash from eruptions of Mount Mazama and Glacier Peak ••••••••••••••••••••••• -
2020 January Scree
the SCREE Mountaineering Club of Alaska January 2020 Volume 63, Number 1 Contents Mount Anno Domini Peak 2330 and Far Out Peak Devils Paw North Taku Tower Randoism via Rosie’s Roost "The greatest danger for Berlin Wall most of us is not that our aim is too high and we Katmai and the Valley of Ten Thousand Smokes miss it, but that it is too Peak of the Month: Old Snowy low and we reach it." – Michelangelo JANUARY MEETING: Wednesday, January 8, at 6:30 p.m. Luc Mehl will give the presentation. The Mountaineering Club of Alaska www.mtnclubak.org "To maintain, promote, and perpetuate the association of persons who are interested in promoting, sponsoring, im- proving, stimulating, and contributing to the exercise of skill and safety in the Art and Science of Mountaineering." This issue brought to you by: Editor—Steve Gruhn assisted by Dawn Munroe Hut Needs and Notes Cover Photo If you are headed to one of the MCA huts, please consult the Hut Gabe Hayden high on Devils Paw. Inventory and Needs on the website (http://www.mtnclubak.org/ Photo by Brette Harrington index.cfm/Huts/Hut-Inventory-and-Needs) or Greg Bragiel, MCA Huts Committee Chairman, at either [email protected] or (907) 350-5146 to see what needs to be taken to the huts or repaired. All JANUARY MEETING huts have tools and materials so that anyone can make basic re- Wednesday, January 8, at 6:30 p.m. at the BP Energy Center at pairs. Hutmeisters are needed for each hut: If you have a favorite 1014 Energy Court in Anchorage. -
Special Catalogue Milestones of Lunar Mapping and Photography Four Centuries of Selenography on the Occasion of the 50Th Anniversary of Apollo 11 Moon Landing
Special Catalogue Milestones of Lunar Mapping and Photography Four Centuries of Selenography On the occasion of the 50th anniversary of Apollo 11 moon landing Please note: A specific item in this catalogue may be sold or is on hold if the provided link to our online inventory (by clicking on the blue-highlighted author name) doesn't work! Milestones of Science Books phone +49 (0) 177 – 2 41 0006 www.milestone-books.de [email protected] Member of ILAB and VDA Catalogue 07-2019 Copyright © 2019 Milestones of Science Books. All rights reserved Page 2 of 71 Authors in Chronological Order Author Year No. Author Year No. BIRT, William 1869 7 SCHEINER, Christoph 1614 72 PROCTOR, Richard 1873 66 WILKINS, John 1640 87 NASMYTH, James 1874 58, 59, 60, 61 SCHYRLEUS DE RHEITA, Anton 1645 77 NEISON, Edmund 1876 62, 63 HEVELIUS, Johannes 1647 29 LOHRMANN, Wilhelm 1878 42, 43, 44 RICCIOLI, Giambattista 1651 67 SCHMIDT, Johann 1878 75 GALILEI, Galileo 1653 22 WEINEK, Ladislaus 1885 84 KIRCHER, Athanasius 1660 31 PRINZ, Wilhelm 1894 65 CHERUBIN D'ORLEANS, Capuchin 1671 8 ELGER, Thomas Gwyn 1895 15 EIMMART, Georg Christoph 1696 14 FAUTH, Philipp 1895 17 KEILL, John 1718 30 KRIEGER, Johann 1898 33 BIANCHINI, Francesco 1728 6 LOEWY, Maurice 1899 39, 40 DOPPELMAYR, Johann Gabriel 1730 11 FRANZ, Julius Heinrich 1901 21 MAUPERTUIS, Pierre Louis 1741 50 PICKERING, William 1904 64 WOLFF, Christian von 1747 88 FAUTH, Philipp 1907 18 CLAIRAUT, Alexis-Claude 1765 9 GOODACRE, Walter 1910 23 MAYER, Johann Tobias 1770 51 KRIEGER, Johann 1912 34 SAVOY, Gaspare 1770 71 LE MORVAN, Charles 1914 37 EULER, Leonhard 1772 16 WEGENER, Alfred 1921 83 MAYER, Johann Tobias 1775 52 GOODACRE, Walter 1931 24 SCHRÖTER, Johann Hieronymus 1791 76 FAUTH, Philipp 1932 19 GRUITHUISEN, Franz von Paula 1825 25 WILKINS, Hugh Percy 1937 86 LOHRMANN, Wilhelm Gotthelf 1824 41 USSR ACADEMY 1959 1 BEER, Wilhelm 1834 4 ARTHUR, David 1960 3 BEER, Wilhelm 1837 5 HACKMAN, Robert 1960 27 MÄDLER, Johann Heinrich 1837 49 KUIPER Gerard P. -
Overview of the Geology of Mount Shasta
Overview of the Geology of Mount Shasta Geology 60 Fall 2007 William Hirt College of the Siskiyous 800 College Avenue Weed, California Introduction Mount Shasta is one of the twenty or so large volcanic peaks that dominate the High Cascade Range of the Pacific Northwest. These isolated peaks and the hundreds of smaller vents that are scattered between them lie about 200 kilometers east of the coast and trend southward from Mount Garibaldi in British Columbia to Lassen Peak in northern California (Figure 1). Mount Shasta stands near the southern end of the Cascades, about 65 kilometers south of the Oregon border. It is a prominent landmark not only because its summit stands at an elevation of 4,317 meters (14,162 feet), but also because its volume of nearly 500 cubic kilometers makes it the largest of the Cascade STRATOVOLCANOES (Christiansen and Miller, 1989). Figure 1: Locations of the major High Cascade volcanoes and their lavas shown in relation to plate boundaries in the Pacific Northwest. Full arrows indicate spreading directions on divergent boundaries, and half arrows indicate directions of relative motion on shear boundaries. The outcrop pattern of High Cascade volcanic rocks is taken from McBirney and White (1982), and plate boundary locations are from Guffanti and Weaver (1988). Mount Shasta's prominence and obvious volcanic character reflect the recency of its activity. Although the present stratocone has been active intermittently during the past quarter of a million years, two of its four major eruptive episodes have occurred since large glaciers retreated from its slopes at the end of the PLEISTOCENE EPOCH, only 10,000 to 12,000 years ago (Christiansen, 1985). -
Mount Mazama: Explosion Versus Collapse
Mount Mazama: Explosion versus Collapse WARREN D. SMITH, Ph.D. Professor of Geology University of Oregon CARL R. SWAR TZLOW, Ph.D. Park N aturalist Lassen National Park [Reprint from Bulletin of Geological Society of America. Vol. XLVII , December 1936. ] .. (. I I University of O regon EUGENE BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA VOL. 47, PP. 1809-taso. 6 PLS., s FIGS. DECEMBER 31, 1936 MOUNT MAZAMA: EXPLOSION VERSUS COLLAPSE ~y WARREN D. SMITH AND CARL R. SWARTZLOW CONTENTS -Page Introduction ..................................................... •.:..... • 1809 Distribution, character, and amount of erupted material ..•.......• ·• . • . • . • . • 1812 Dillcr's "bn.ckflow" in Clcctwood Cove. • • . • . • • . • .. • . • • • . • • . .. • 1816 Shape nnd character of the crater. • . • . • . • • . • . • . • • • • . • . 1817 Absence of extruded lava of recent date. • . • • • . • . • • • • . • • . 1821 UNIVERSITY OF OREGON MONOGRAPHS· I\1nterinls of the rim . • . • • . • . • . • . • • • • • . 1822 · l\1cchanics of coJiapse. • • . • • • • . • . • • • • . 1824 Studies in Geology and Geography Records of some Pacific rim volcanoes .......•••••••... ·. • • • . • • . • • . • 1827 No; 1. February 1937 Summary and conclusions ........•.......•..•..••••.•.....•....•.•..•..•.• 1820 Published by' the University of Oregon Oregon State System of Higher ·· ILLUSTRATIONS Education, Eugene, Oregon Figure Pago I. Cross section of Crater Lake ............•••...•••••.....•••...••.••. : .. 1810 2. Pumice areas. • • • • . • . • . • . 1813 3. Section in Wheeler -
Environmental Assessment
Alaska Outer Continental Shelf OCS EIS/EA BOEM 2012-081 ION Geophysical 2012 Seismic Survey Beaufort Sea and Chukchi Sea, Alaska ENVIRONMENTAL ASSESSMENT Prepared By: Office of Environment Alaska OCS Region Cover Illustrations provided by ION Geophysical for ION G&G Permit Application #12-01 U.S. Department of the Interior Bureau of Ocean Energy Management October 2012 Alaska OCS Region This Page Intentionally Left Blank 2012 ION Seismic Survey Environmental Assessment Acronyms and Abbreviations ~ ....................................Approximately AAC ..............................Alaska Administrative Code ACIA .............................Arctic Climate Impact Assessment ACP ...............................Arctic Coastal Plain ADEC ............................Alaska Department of Environmental Conservation ADF&G .........................Alaska Department of Fish and Game AEWC ...........................Alaska Eskimo Whaling Commission AFMP ............................Arctic Fishery Management Plan AO .................................Arctic Oscillation AQCR ............................Air Quality Control Regions bbl ..................................Barrel/Barrels BOEM ...........................Bureau of Ocean Energy Management BOEMRE ......................Bureau of Ocean Energy Management, Regulation and Enforcement CAA ..............................Clean Air Act or Conflict Avoidance Agreement CEQ ...............................Council on Environmental Quality CFR ...............................Code of Federal Regulations CO .................................carbon -
Lands Suitable for Timber Management
C a S r l a en C Hefty, Mount d k Bushnell Hill z e g Fro r e e e C r k T ree r C C C e olts e r n C k e h e e k k e en e h Tuchuck Mountain r is ek C K re e n C T c tio u a r rv p Sta Th S om a Cr Creek eek Johnson T uc hu ck C T r rail C Bald Mountain ee reek k k e T ek e re r N t C C o Yakinikak Creek ef a k l tl i C o Trailcreek in C k ! Twin Buttes e Cleft Rock Mountain K re e k e r e k C e A T r o C k m o e d k r e a Lewis, Mount S o l ek F a e Cr Wedge Mountain C y r tle e n T e A k Hornet MountainHorne t Creek N Tepee Creek in T Thompson-Seton, Mount k o C T r ee In k u K y oop T a ee Cr Babb C eek Whale Buttes ! re Center Mountain e k k e TT re t Akinkoka Peak n C e m a ge k k na k e o a ree T M C e k k r e e le r n e b ha i r m C i W k T Locke, Mount C se r o o A f o y le M b t ta i Red Buttes T r Su H o ds a n w h La k S Cr eek Huntsberger Peak T Young, Mount T Nasukoin Mountain k n T e a k l e e t P e r s r re C C o F w e 6 c 8 o 9 Hoodoo Hill d u 1 Lake Mountain ea pr S M S p ed rin T R g C re Fortine ek ! T Polebridge !@ Link Mountain ! Ha WhiteTfish Mountain y C re ek Wetzel T ,000 ! k 5 ree 7 n C 1 ra : Mo 1 k e e k . -
Montana Map List
Montana Map List Maps may be ordered online at http://store.usgs.gov For more information, call 1-888-ASK-USGS Distributed courtesy www.railroads-of-montana.com UNITED STATES GEOLOGICAL SURVEY USGS Quadrangle Name Quadrangle Number Version Year Scale Latitude Coordinates Longitude Coordinates ABBOTT LAKE, MT 9780607321890 01/01/1985 1:24,000 482230 - 483000 -1121500 - -1120730 ABSAROKEE, MT 9780607295627 01/01/1955 1:24,000 453000 - 453730 -1093000 - -1092230 ACKLEY LAKE, MT 9780607295634 01/01/1970 1:24,000 465230 - 470000 -1100000 - -1095230 ACME, WY 9780607600667 01/01/1978 1:24,000 445230 - 450000 -1070000 - -1065230 ACORN FLATS, MT 9780607295641 01/01/1965 1:24,000 464500 - 465230 -1070730 - -1070000 ACTON, MT 9780607295658 01/01/1956 1:24,000 455230 - 460000 -1084500 - -1083730 ADA CREEK, MT 9780607295665 01/01/1964 1:24,000 471500 - 472230 -1063730 - -1063000 ADAIR, ID 9780607891607 01/01/1995 1:24,000 471500 - 472230 -1153730 - -1153000 AGAWAM NORTH, MT 9780607321906 01/01/1985 1:24,000 480000 - 480730 -1121500 - -1120730 AGAWAM SOUTH, MT 9780607322538 01/01/1987 1:24,000 475230 - 480000 -1121500 - -1120730 AHERN PASS, MT 9780607295672 01/01/1968 1:24,000 484500 - 485230 -1135230 - -1134500 AHLES, MT 9780607295689 01/01/1983 1:24,000 462230 - 463000 -1071500 - -1070730 AJAX RANCH, MT 9780607996111 01/01/1997 1:24,000 452230 - 453000 -1133730 - -1133000 AKERS RANCH, MT 9780607295702 01/01/1963 1:24,000 463730 - 464500 -1080730 - -1080000 ALASKA BENCH, MT 9780607880083 01/01/1995 1:24,000 464500 - 465230 -1091500 - -1090730 ALBERTON,