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Age and Origin of Silicocarbonate Pegmatites of the Adirondack Region
minerals Article Age and Origin of Silicocarbonate Pegmatites of the Adirondack Region Jeffrey Chiarenzelli 1,*, Marian Lupulescu 2, George Robinson 1, David Bailey 3 and Jared Singer 4 1 Department of Geology, St. Lawrence University, Canton, NY 13617, USA 2 New York State Museum, Research and Collections, Albany, NY 12230, USA 3 Geosciences Department, Hamilton College, Clinton, NY 13323, USA 4 Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Rensselaer, NY 12180, USA * Correspondence: [email protected]; Tel.: +1-315-229-5202 Received: 24 July 2019; Accepted: 19 August 2019; Published: 23 August 2019 Abstract: Silicocarbonate pegmatites from the southern Grenville Province have provided exceptionally large crystal specimens for more than a century. Their mineral parageneses include euhedral calc–silicate minerals such as amphibole, clinopyroxene, and scapolite within a calcite matrix. Crystals can reach a meter or more in long dimension. Minor and locally abundant phases reflect local bedrock compositions and include albite, apatite, perthitic microcline, phlogopite, zircon, tourmaline, titanite, danburite, uraninite, sulfides, and many other minerals. Across the Adirondack Region, individual exposures are of limited aerial extent (<10,000 m2), crosscut metasedimentary rocks, especially calc–silicate gneisses and marbles, are undeformed and are spatially and temporally associated with granitic pegmatites. Zircon U–Pb results include both Shawinigan (circa 1165 Ma) and Ottawan (circa 1050 Ma) intrusion ages, separated by the Carthage-Colton shear zone. Those of Shawinigan age (Lowlands) correspond with the timing of voluminous A-type granitic magmatism, whereas Ottawan ages (Highlands) are temporally related to orogenic collapse, voluminous leucogranite and granitic pegmatite intrusion, iron and garnet ore development, and pervasive localized hydrothermal alteration. -
The Wittelsbach-Graff and Hope Diamonds: Not Cut from the Same Rough
THE WITTELSBACH-GRAFF AND HOPE DIAMONDS: NOT CUT FROM THE SAME ROUGH Eloïse Gaillou, Wuyi Wang, Jeffrey E. Post, John M. King, James E. Butler, Alan T. Collins, and Thomas M. Moses Two historic blue diamonds, the Hope and the Wittelsbach-Graff, appeared together for the first time at the Smithsonian Institution in 2010. Both diamonds were apparently purchased in India in the 17th century and later belonged to European royalty. In addition to the parallels in their histo- ries, their comparable color and bright, long-lasting orange-red phosphorescence have led to speculation that these two diamonds might have come from the same piece of rough. Although the diamonds are similar spectroscopically, their dislocation patterns observed with the DiamondView differ in scale and texture, and they do not show the same internal strain features. The results indicate that the two diamonds did not originate from the same crystal, though they likely experienced similar geologic histories. he earliest records of the famous Hope and Adornment (Toison d’Or de la Parure de Couleur) in Wittelsbach-Graff diamonds (figure 1) show 1749, but was stolen in 1792 during the French T them in the possession of prominent Revolution. Twenty years later, a 45.52 ct blue dia- European royal families in the mid-17th century. mond appeared for sale in London and eventually They were undoubtedly mined in India, the world’s became part of the collection of Henry Philip Hope. only commercial source of diamonds at that time. Recent computer modeling studies have established The original ancestor of the Hope diamond was that the Hope diamond was cut from the French an approximately 115 ct stone (the Tavernier Blue) Blue, presumably to disguise its identity after the that Jean-Baptiste Tavernier sold to Louis XIV of theft (Attaway, 2005; Farges et al., 2009; Sucher et France in 1668. -
Personal Chef Contract Agreement
Personal Chef Contract Agreement Averill inthral blandly if undernamed Angelico whinnied or scarifying. Attributable and traded Rolf reinsuring so ontogenetically that Micah fox his hellers. Joshuah remains leal after Don juxtaposing dissymmetrically or crackles any thrombokinases. You provide personal chef business owners and assemble them with the captcha, with an ongoing basis for planning and Salmonella or personal information of. Allow you must be quite aware of personal cook even redirect to agreement when they hereby authorize us and temporary access the person using any contracts are! If you might be stored tightly covered under contract basics pdf format, which you in personal chef contract agreement tips. By recurring payments to do you are, once they reach out to register an ongoing basis that they go. We will depend on your hand if there anything will email address you receive. Attorneys fees on these contracts are! Access to terminate or directing us in a mutually agree to accept these terms of selection and the chef! Guest pays for this facility with these charges, culver city has no control. We are quite aware of contract in respect your agreement is exactly what if the platform and serving families are an employment contracts or updated at your! How do not be created for any rights or government approval in full, and wants during your kitchen rental time without interruption the! Article and agreement may also food for personal chef contract agreement between the contract if a shared use. A personal chef should not require that she sign a contract but useful give them discount chair you do Q Isn't a. -
Inside...All About Attitude a Study of Asian Appetizers Personal Chef, A
Volume 6 Spring 2009 The American Culinary Federation quarterly for students of cooking Combining lamb with vegetables in this sous vide preparation allows mingling of flavors without the use of excess heat. It prevents the lean lamb from overcooking and drying out. Fresh beans and peas make this dish appropriate for spring menus. Slicing the lamb rack makes eating from a casserole easier for the guest. Whole baby vegetables look natural, eliminate waste and save time. Fresh herbs provide extra flavor. Inside... All about attitude A study of Asian appetizers Personal chef, a viable career JOBS OF TOMORROW Get Personal Imagine a culinary career where you set your own hours, select your diners — and purchase ingredients on their dime — while potentially earning as much as six figures doing it. Personal chefs don’t have to dream about this career; they live it. by Melanie Wolkoff Wachsman iring a chef to workings of commercial Café, Kailua-Kona, Hawaii, prepare meals was kitchens for the slower pace considers himself both a H once considered autonomy of home-based private and personal chef. “I a luxury reserved for the cuisine. Wallace estimates did not choose this profession, rich and famous. Times have 12,000 to 15,000 personal it chose me,” he says. Lowder changed. Ironically, it’s the chefs operate in the United responded to a blind “chef” “everyday” people personal States today, compared to newspaper ad that led to his chefs can thank for their 8,000 in 2005. first private-chef position. growing demand. “I enjoyed it so much that I “Personal chef has Personal versus private decided to make it my full- become part of the American The terms personal and private time career.” lexicon. -
Personally Personally
Taking It PersonallyPersonally A career as a personal chef may take away the crazy hours of a “normal” job, but not the excitement and fulfillment chefs crave. B Y J ODY S HEE ne day four years ago, Dale Pyle, CEC, of Orlando, Fla., came home from his restaurant job and admitted to him- self that he just couldn’t take it anymore. He’d started working in restaurants at age 13, and Oclimbed his way up to executive chef and then food-and-beverage director. But his career path had taken him into administration and away from what he loved most—cooking. Pyle searched the Internet for other culinary- career options and came across the term “per- sonal chef,” something he’d never heard of. Further research led him to the American Personal Chef Association (APCA), San Diego, which helped him get set up. “I was amazed at how easy it was to get into being a personal chef,” he says. “I just loved it. I got a few big clients right off the bat.” He found he could be as slow or as busy as he wanted to be, and there was plenty of work. It also allowed him time to pursue a secondary culi- nary career as an instructor at Orlando Culinary Academy. His story is similar to that of Candy Wallace, founder and executive director of the APCA. After years of working on a line in a restaurant and as a corporate executive chef, she became disenchant- ed. “Why don’t I have a life? Why am I always in this restaurant? Why am I always working nights, weekends and holidays?” she asked herself. -
Geology and Mineral Deposits of Jumbo Basin Southeastern Alaska
Geology and Mineral Deposits of Jumbo Basin Southeastern Alaska GEOLOGICAL SURVEY PROFESSIONAL PAPER 251 Geology and Mineral Deposits of Jumbo Basin Southeastern Alaska By GEORGE C. KENNEDY GEOLOGICAL SURVEY PROFESSIONAL PAPER 251 A discussion of the contact metamorphism, geomagnetic surveys, magnetite deposits, and iron ore reserves of part of Prince of Whales Island. UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1953 UNITED STATES DEPARTMENT OF THE INTERIOR Douglas McKay, Secretary GEOLOGICAL SURVEY W. E. Wrather, Director For sale by the Superintendent of Documents, U. S. Government Printing Office Washington 25, D. C. CONTENTS Page Page Abstract. __________________________________________ 1 Contact metamorphism—Continued Introduction ______________________________________ 1 Metamorphism in the vicinity of the Magnetite Cliff Previous work. _ _ _______________________________ 1 bodies—Continued Present work- ________ 1 Metamorphism of the schists.________________ 20 Acknowledgments. ______________ _______________ 2 Metamorphism of the dike rocks._____________ 20 Geography__ _______________________________________ 2 Metamorphism in the vicinity of the upper magnetite Location and accessibility________________________ 2 bodies_ _______________________---_----_-_____ 21 Topography. ____________________________!______ 3 Exomorphism of the marble__________________ 21 Climate, water supply, and vegetation. ____________ 4 Endomorphism of the intrusive rocks__________ 22 History and production______________________________ 4 Metamorphism -
Winter 1998 Gems & Gemology
WINTER 1998 VOLUME 34 NO. 4 TABLE OF CONTENTS 243 LETTERS FEATURE ARTICLES 246 Characterizing Natural-Color Type IIb Blue Diamonds John M. King, Thomas M. Moses, James E. Shigley, Christopher M. Welbourn, Simon C. Lawson, and Martin Cooper pg. 247 270 Fingerprinting of Two Diamonds Cut from the Same Rough Ichiro Sunagawa, Toshikazu Yasuda, and Hideaki Fukushima NOTES AND NEW TECHNIQUES 281 Barite Inclusions in Fluorite John I. Koivula and Shane Elen pg. 271 REGULAR FEATURES 284 Gem Trade Lab Notes 290 Gem News 303 Book Reviews 306 Gemological Abstracts 314 1998 Index pg. 281 pg. 298 ABOUT THE COVER: Blue diamonds are among the rarest and most highly valued of gemstones. The lead article in this issue examines the history, sources, and gemological characteristics of these diamonds, as well as their distinctive color appearance. Rela- tionships between their color, clarity, and other properties were derived from hundreds of samples—including such famous blue diamonds as the Hope and the Blue Heart (or Unzue Blue)—that were studied at the GIA Gem Trade Laboratory over the past several years. The diamonds shown here range from 0.69 to 2.03 ct. Photo © Harold & Erica Van Pelt––Photographers, Los Angeles, California. Color separations for Gems & Gemology are by Pacific Color, Carlsbad, California. Printing is by Fry Communications, Inc., Mechanicsburg, Pennsylvania. © 1998 Gemological Institute of America All rights reserved. ISSN 0016-626X GIA “Cut” Report Flawed? The long-awaited GIA report on the ray-tracing analysis of round brilliant diamonds appeared in the Fall 1998 Gems & Gemology (“Modeling the Appearance of the Round Brilliant Cut Diamond: An Analysis of Brilliance,” by T. -
Experience Spring 2020
The French Chef Exchange THE EXPERIENCE SPRING 2020 FROM DMACC CLASSROOMS TO IOWA RESTAURANTS 2 IOWA CULINARY INSTITUTE EXPERIENCE SPRING 2020 IOWA CULINARY INSTITUTE EXPERIENCE SPRING 2020 1 JOIN THE GOURMET DINNER LIST You may receive our Gourmet Dinner Series letter by completing the information listed on our website– https://www.dmacc.edu /ici.Pages/gourmetdinners.aspx. You will also receive emails about other food and wine events at the ICI, including announcements from DMACC’s Continuing Education Program about food and wine classes and special meals available to the public. March 5 ISRAELI Explore the cuisine of this Mediterranean country with its diverse ethnicities. 26 ATLANTIC COASTAL Enjoy regional foods along America’s Eastern Seaboard, from New England to Florida. april 4 SPECIAL EVENT FLEUR DE LYS GALA @ 5:30 PM Join us on the “Streets of Paris” as we celebrate the arrival of spring and our 35th Anniversary of the French Chef Exchange. The proceeds of this French gourmet buffet dinner (with paired wines) and auction go to support our exchange, which provides scholarships for our top eight graduates to travel to France every May and do culinary internships with our French chefs in the St-Etienne region. We will be unable to honor dietary restrictions at the Gala since it is a buffet rather than a plated dinner. This dinner will be $150 per person (with a tax-deductible portion of $100 per person). 9 INTERNATIONAL YEAR: KOSOVO A gourmet celebration of Europe’s newest nation ATLANTIC COASTAL 23 Enjoy regional foods along America’s Eastern Seaboard, from New England to Florida. -
Chef Ron, Food Vision Keeping Arizona Athletes Fed During a Trying Time – the Athletic
4/24/2020 Chef Ron, Food Vision keeping Arizona athletes fed during a trying time – The Athletic We use cookies to give you the best experience on our site. By using our platform, you consent to our use of cookies. Please see our Cookie Policy (/cookies) or hit the "Cookie Settings" button here to learn more. Accept Cookie Settings Chef Ron, Food Vision keeping Arizona athletes fed during a trying time By C.J. Holmes (/author/cj-holmes/) Apr 19, 2020 Editor’s note: In an effort to support local businesses that are being threatened by the devastating effects of the coronavirus, The Athletic is publishing an ongoing series of stories (https://theathletic.com/tag/support-local/) to highlight our treasured communities. #supportlocal https://theathletic.com/1749776/2020/04/20/chef-ron-food-vision-keeping-arizona-athletes-fed-during-a-trying-time/ 1/19 4/24/2020 Chef Ron, Food Vision keeping Arizona athletes fed during a trying time – The Athletic Ronald Young was working at the Arizona Mills Nike Store in 2016, plotting how he’d get his business off the ground, when he made a game-changing connection. It was called Food Vision. He dreamed it up at his other job, Victoria’s Secret. At this point, he was in the infant stages of his burgeoning empire. Promoting his food with pictures of food on Facebook and Instagram, pounding the pavement for orders in his reach. The jobs paid the bills and funded his meal prep and catering business. This woman kept coming into Nike and Young, like a self-respecting single gentleman, was shooting his shot. -
The J Oumal Of
The Joumal of Gemmological Association and Gem Testing Laboratory of Great Britain 27 Greville Street, London EC1N 8TN Tel: 020 7404 3334 Fax: 020 7404 8843 e-mail: [email protected] Website: www.gem-a.info President: Professor A.T. Collins Vice-Presidents: N. W. Deeks, A.E. Farn, R.A. Howie, D.G. Kent, R.K. Mitchell Honorary Fellows: Chen Zhonghui, R.A. Howie, K. Nassau Honorary Life Members: H. Bank, D.J. Callaghan, E.A. Jobbins, H. Tillander Council of Management: T.J. Davidson, R.R. Harding, I. Mercer, J. Monnickendam, M.J. O'Donoghue, E. Stern, I. Thomson, V.P. Watson Members' Council: A.J. Allnutt, S. Burgoyne, P. Dwyer-Hickey, S.A. Everitt, J. Greatwood, B. Jackson, L. Music, J.B. Nelson, P.G. Read, P.J. Wates, C.H. Winter Branch Chairmen: Midlands - G.M. Green, North West - D. M. Brady, Scottish - B. Jackson, South East - C.H. Winter, South West - R.M. Slater Examiners: A.J. Allnutt, M.Sc, Ph.D., FGA, L. Bartlett, B.Sc, M.Phil., FGA, DGA, S. Coelho, B.Sc, FGA, DGA, Prof. A.T. Collins, B.Sc, Ph.D, A.G. Good, FGA, DGA, J. Greatwood, FGA, G.M. Green, FGA, DGA, G.M. Howe, FGA, DGA, S. Hue Williams MA, FGA, DGA, B. Jackson, FGA, DGA, G.H. Jones, B.Sc, Ph.D., FGA, Li Li Ping, FGA, DGA, M.A. Medniuk, FGA, DGA, M. Newton, B.Sc, D.PWL, C.J.E. Oldershaw, B.Sc. (Hans), FGA, DGA, H.L. Plumb, B.Sc, FGA, DGA, R.D. -
Minerals Found in Michigan Listed by County
Michigan Minerals Listed by Mineral Name Based on MI DEQ GSD Bulletin 6 “Mineralogy of Michigan” Actinolite, Dickinson, Gogebic, Gratiot, and Anthonyite, Houghton County Marquette counties Anthophyllite, Dickinson, and Marquette counties Aegirinaugite, Marquette County Antigorite, Dickinson, and Marquette counties Aegirine, Marquette County Apatite, Baraga, Dickinson, Houghton, Iron, Albite, Dickinson, Gratiot, Houghton, Keweenaw, Kalkaska, Keweenaw, Marquette, and Monroe and Marquette counties counties Algodonite, Baraga, Houghton, Keweenaw, and Aphrosiderite, Gogebic, Iron, and Marquette Ontonagon counties counties Allanite, Gogebic, Iron, and Marquette counties Apophyllite, Houghton, and Keweenaw counties Almandite, Dickinson, Keweenaw, and Marquette Aragonite, Gogebic, Iron, Jackson, Marquette, and counties Monroe counties Alunite, Iron County Arsenopyrite, Marquette, and Menominee counties Analcite, Houghton, Keweenaw, and Ontonagon counties Atacamite, Houghton, Keweenaw, and Ontonagon counties Anatase, Gratiot, Houghton, Keweenaw, Marquette, and Ontonagon counties Augite, Dickinson, Genesee, Gratiot, Houghton, Iron, Keweenaw, Marquette, and Ontonagon counties Andalusite, Iron, and Marquette counties Awarurite, Marquette County Andesine, Keweenaw County Axinite, Gogebic, and Marquette counties Andradite, Dickinson County Azurite, Dickinson, Keweenaw, Marquette, and Anglesite, Marquette County Ontonagon counties Anhydrite, Bay, Berrien, Gratiot, Houghton, Babingtonite, Keweenaw County Isabella, Kalamazoo, Kent, Keweenaw, Macomb, Manistee, -
Diopside Camgsi2o6 C 2001 Mineral Data Publishing, Version 1.2 ° Crystal Data: Monoclinic
Diopside CaMgSi2O6 c 2001 Mineral Data Publishing, version 1.2 ° Crystal Data: Monoclinic. Point Group: 2=m: As prismatic crystals with nearly square cross sections, to 50 cm; granular, columnar, lamellar massive. Twinning: Simple or multiple twins on 100 or 010 , common. f g f g Physical Properties: Cleavage: Distinct on 110 , (110) (110) 87±; partings on 100 and probably 010 . Fracture: Uneven to conchofidal.g Tenaci^ty: Britt»le. Hardness = 5f.5{6.g5 D(meas.) = 3.f22{3g.38 D(calc.) = 3.278 Optical Properties: Transparent to opaque. Color: Colorless, white, yellow, pale to dark green, black; colorless in thin section. Streak: White, gray, gray-green. Luster: Vitreous or dull. Optical Class: Biaxial (+). Orientation: Y = b; Z c = 38± on (010); X a = 22±. ^ ¡ ^ ¡ Dispersion: r > v; weak to moderate. ® = 1.664 ¯ = 1.672 ° = 1.694 2V(meas.) = 59± Cell Data: Space Group: C2=c: a = 9.746 b = 8.899 c = 5.251 ¯ = 105:63± Z = 4 X-ray Powder Pattern: Schwartzenstein, Austria. (ICDD 11-654). 2.991 (100), 2.528 (40), 2.893 (30), 2.518 (30), 3.23 (25), 2.952 (25), 1.625 (25) Chemistry: (1) (2) (1) (2) (1) (2) SiO2 54.66 54.09 FeO 0.07 1.47 K2O 0.15 + TiO2 0.28 MnO 0.02 0.09 H2O 0.22 0.22 Al2O3 0.07 1.57 MgO 18.78 16.96 H2O¡ 0.08 Fe2O3 0.68 0.74 CaO 25.85 21.10 rem: 0.49 Cr2O3 2.03 Na2O 1.37 Total 100.35 100.64 3+ (1) Juva, Finland; corresponds to Ca1:00(Mg1:01Fe0:02)§=1:03Si1:98O6: (2) Dutoitspan mine, 2+ Kimberley, Cape Province, South Africa; corresponds to (Ca0:82Na0:05Fe0:04Mg0:04K0:01)§=0:96 3+ (Mg0:88Cr0:06Al0:03Fe0:02Ti0:01)§=1:00(Si1:96Al0:04)§=2:00O6: Polymorphism & Series: Forms two series, with hedenbergite, and with johannsenite.