I think you’ve used up your lifetime quota of words, ND. [NOTE:  New evidence obtained since this article was written shows that the caldera did not form over the Catalina Mountains as postulated below. The Tucson Mountains represent just one example of the consequences of crustal stretching. ASU Origins Symposium: is the universe teeming wit... Science Foundation rallying support against budget... 'Kinder, gentler' mining law revision in Senate. Personally I beleive the human footprint will be short for we are on a road to extinguish are existance. The pattern is so confusing and incongruous the formal geologic name for the region is Tucson Mountain Chaos. Did Flagstaff fireballs make it to the ground? The graphics used in this article came from this paper. Prescott's Big Chino water fight explained. Mother Nature has worked long and hard to create the beautiful landscapes in and around Tucson. search titles only has image posted today bundle duplicates The heavier oceanic crustal rocks dove under (were subducted beneath) the lighter continental crust. The Tucson Mountain Chaos (Kinnison, 1958) is a breccia in which large blocks of Paleozoic lime­ stones occur in the midst of jumbled Cretaceous Documenting all The Gem Shop hubbub and chaos that makes up the Tucson Gem & Mineral Show! View 18 photos of this 230432 sqft. The "EDIBLE DESERT PLANTS" page is an index to my articles on edible and medicinal plants of the Sonoran Desert. It may have looked something like Figure A. Tucson Mountain Park is approx. Term Tucson Mountain chaos of Kinnison (1959) thus has no significance as a unit separate from Cat Mountain Tuff. This area was similar to the spreading center of the Mid-Atlantic ridge that gradually separated Africa from South American, and Europe from North America. By about 30 million years ago, crustal stretching and heating from below, arched-up the area beneath the “Tucson Mountains” volcano. Looks quite beautiful all around Tucson so It seems to be a non issue. We will be climbing the north-northwest ridge ("the hard If you drive over Gates Pass and look closely at the road cuts, you will see a jumble of various-colored rocks. Sometime between 12- and 6 million years ago, the on-going crustal stretching reached a limit and things started to break. That may negate the detachment theory. All can be seen in the proximity of the scenic over-look at Gates Pass. If you don’t like mining and being around mines, why did you buy property in an old mining town? Do we also need to go into Global Warming/Climate Change as relates to Political Science vs. The geology of the Tucson Mountains is a jumbled mass of volcanics. Some of these blobs became the copper deposits we have in Arizona, others reached the surface and became volcanoes. Picacho Peak has a similar history. Geologic age: Late Cretaceous. The Tucson Mountains sit just to the west of the city of Tucson, Arizona. Amole Mining District, Tucson Mountains, Pima Co., Arizona, USA : Ref. 23 January 2013 Cold Mountain Thundereggs A sea of rock bags. Re-posting is permitted provided that credit of authorship is given with a link back to the source. Solar initiative includes Compressed Air Energy St... Sterlite to match any higher bids for Asarco. All can be seen in the proximity of the scenic over-look at Gates Pass. Check out the ARTICLE INDEX to find more than 1000 articles on Natural History of the Sonoran Desert, Geology, Energy, Climate Change and more. Details emerging on UA's School of Earth & Environ... Fire as a catalyst of global climate change, Freeport ships first concentrate from Congo mine, Prehistoric piranhas from Lake Havasu coming in 3-D. Lake Chargoggagoggmanchauggagoggchaubunagungamaugg... Grand Canyon and Biosphere on list of world's 50 m... Cullum Geographical Medal to UA's Peter Smith, Water quality conditions in basin-fill aquifers. IMAP 2205. It is also the driver of the San Andreas fault in California. The citizens of Pima and Santa Cruz counties should consider long and hard the relatively short lived value of allowing a corporation like ASARCO or others to permanently scar the face of Mother Nature with open pit mining. Most of the smaller ones seem to be randomly oriented, but several large ones south of the mapped area, near Gila Monster Mine, are (Figure D). If not a mine in Santa Cruz or Pima Counties, then why don’t you, personally, take a world map and decide just exactly which small, third world community will host the mines, oil wells and factories needed just to produce all the ‘stuff’ you will consume in your lifetime and then pass on to your descendants? 08 February 2013 Putting a Cover on a 55 Gallon Barrel in Tucson Gene hammering the lid to make it fit. Cat Mountain is a prominent landform seen from I-10, the Ajo Highway, and Tucson so it has an allure. But that’s just half of the story. This probably accounts for the chaotic mixture of rocks in the Tucson Mountains. 2021 Hyundai Tucson: prices, specs and on-sale date 10 favourite travel discoveries of 2020: readers' tips This Woman Uses Instant Noodles Instead Of Breadcrumbs And It's Genius Had you been taught science and math and government by competent teachers in a well run and administered school system, you would already know all I have just told you. Our story begins during the Laramide Orogeny, when the Rocky Mountains were being built about 70 million years ago. The following is what I think is the most probable chain of events. Scarborough, Robert, The Geologic Origin of the Sonoran Desert, Arizona-Sonora Desert Museum, http://www.desertmuseum.org/books/nhsd_geologic_origin.php. It was a large volcano that erupted in violent explosions which eventually caused collapse of the volcanic edifice to form a caldera about 10 miles across. Tucson Mountain Chaos, and forms the bulk of the rocks which make up the present Tucson Mountains. Enter your email address to follow this blog and receive notifications of new posts by email. If this latter hypothesis is correct, then the volcanics of the Tucson Mountains represent the west half of a caldera. Tucson Mountain Chaos January 2005 by Edgar B. Heylmun, PhD The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The glacial epochs added water. People for the West newsletter for October 2020 now online, Tucson City Council and the “Climate Emergency”, Why Wind and Solar Generation of Electricity Fail – California learns the hard way, PFW newsletter for September, 2020 now online, Broken: a new murder mystery by Lonni Lees, Review ‘Helvetia-Rosemont: Arizona’s Hardscrabble Mining Camp’, Mines, Minerals, and “Green” Energy: A Reality Check, Hydroxychloroquine-based COVID-19 Treatment, A Systematic Review, No Reduction of Atmospheric CO2 Due to Economic Slowdown, The Scientific Case for Vacating the EPA’s Carbon Dioxide Endangerment Finding, See People for the West May 2020 newsletter, Climate at a Glance from the Heartland Institute. Thats okay; the earth and mother nature will repare herself after we are gone. 5/month Shared By: Joe Kreidel on Dec 1, 2009 Admins: Greg Opland, Luke Bertelsen, JJ Schlick. What Global Surface Temperature is Ideal for Human Habitation? Tucson Mountain Chaos is a formal geologic name, describing one of the more confusing, complex, and controversial areas in southern Arizona. Limestone, granite, rhyolite, and schist are found amongst volcanic ash-fall tuff and breccia. Climate change will put competing demands on publi... UA team finds African mega-droughts are normal. Saturday, January 25, 1997 res 57 points, sets city record Canyon del Ore's Anthony Norwood broke a 37-year-old city record last night with a 57-point performance against Pueblo. Geiser, P.A., 1964, The Tucson Mountain chaos in the Gates Pass area, Pima County, Arizona: Tucson, University of Arizona, M.S. If you drive over Gates Pass, take a look at the road cuts, especially near the top, you will see a chaotic jumble of different rocks, mainly volcanics. Tucson Mountain Chaos. The Tucson Mountains (O'odham: Cuk Doʼag) are a minor mountain range west of Tucson, Arizona. Craigslist has listings for bicycles - by owner in the Tucson, AZ area. The volcano and its caldera began to slide to the west. Near Green Valley, the old Twin Buttes mine, the Mission mine, and the Eisenhower pit are a few pieces of what once was one deposit that got sliced up and fanned out like a deck of cards. Tucson Mountain-area rock layers record long ago landscapes that include a large, shallow, algal mat-covered, oyster-rich freshwater lake, located west and south of what today is Wasson Peak. One such volcano was formed where the Catalina Mountains are now, east of Tucson. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features The Tucson mountain range has long been labeled “The Tucson Mountain Chaos.” An explanation of how the Tucson mountains were created materialized in the 1980s. Nello stesso periodo le aree circostanti furono soggette ad introsioni di granito rosa e vene di quarzo che contengono molti minerali, tra cui rame , argento ed oro , la presenza di questi minerali permise lo sviluppo dell' Arizona alla fine del XIX secolo. Tucson Mountain-area rock layers record long ago landscapes that include a large, shallow, algal mat-covered, oyster-rich freshwater lake, located west and south of what today is Wasson Peak. If the volcano was east of where Tucson is now, how did the rocks wind up to the west of the city? This caused compression, mountain building, and volcanism. Lipman, Peter, 1993, Geologic map of the Tucson Mountains Caldera, southern Arizona, U.S.G.S. Resolution Copper #10 headframe completed, Landsat shows drought impact on Lake Mead, Virtual Stephen Hawking at ASU Origins Symposium. The main evidence they cite is that the chemistry of the volcanics in the Tucson Mountains is incompatible with the proposed generating pluton in the Catalina Mountains. Contact: wryheat (at) cox.net The Arizona Geological Society field trip today revealed that there are huge gaps in See: https://wryheat.wordpress.com/2016/08/30/tucson-mountains-geology-an-update/. So open pit mining can create an eyesore that will be around for years and that doesn’t bother you? Wryheat by Jonathan DuHamel provides education and commentary about geology, natural history of the Sonoran desert, climate and energy issues and politics that affect those areas. The North American continent was still moving westward. Well Ado, that you think Ma Nature had to work long and hard is beyond me. The Tucson International Airport is serviced by 9 airlines providing 60 daily departing flights to 15 destinations. Urban living in Tucson reinvented. (Figure B). 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