Turnstone Geological Services Limited

P.O. Box 1000, Campbellford, Ontario, Canada K0L 1L0

Tel/Fax (705)-653-5449


the Turnstone logo, based on the ruddy turnstone -
a well-travelled shorebird [17 kb]

e-mail enquiry address [19 kb]

Field-, Laboratory- and Library-Based Research ...
Earth-Sciences Databases & Materials Characterization ...
Resources for Informed Decision-Making...
Economic Geology, Mineralogy & Petrography ...
Metals, Meteorites, Archaeology...


Rock of the Month List & Index [NOW 200-plus ARTICLES]

Menu of Meteorite Topics

Browse the Turnstone site, or view and print a
1-page summary of services and achievements (pdf, 151 kb)

GUEST PAGES: Algonquin Park History - 2015 book by Mary Garland

RECOMMENDED READ: 2014 book "Four Billion Years and Counting:
Canada's Geological Heritage"...

Natural History of the Crowe Bridge Conservation Area [slide show]

Now click on a button below, or use the quick-link lines beneath ...

Webmaster Graham Wilson --- principal testing in/for Netscape 4.x to 7.1 & (2005-)
Mozilla Firefox 1.0 to 61.0 (F. Quantum, 57.0 on, 64-bit - 01 Dec. 2017 - 28 June 2018) and (Oct. 2013-) BlackBerry Z10, OS (25 Mar. 2017)

Last revised on Monday 16 July 2018 / dernière modification lundi, le 16 juillet 2018.

Unless otherwise indicated, material on this site is copyright G.C. Wilson / Turnstone G.S.L., 2001-2018.

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Additional links, projects, interests

Bank of Canada (noon) Currency Exchange Rates
OANDA rates for currency conversion
Precious-Metal & other Price Quotes (Kitco)
Magnetic Declination (NRCan)
Ontario MNDM databases such as AMIS, MDI, OGS publications and assessment files
Ontario Claim Maps database
Earthquake data - USGS
Volcanoes of the World
Recent Volcanic Activity
Meteoritical Bulletin


Detailed Web Site Map
Summary of Activities

MINLIB & Other Databases (in prep.)

Geographic Location of Projects
Take a Look
See the Latest "Rock of the Month"!
Local Feature (Geology & Ecology of Trent Hills district, southeast Ontario)
Tour of Lake Superior
Terms of Business: Graham C. Wilson vis-a-vis Turnstone
Geopolitics: Essay posted on the 100th Anniversary
of the Birth of Canadian Diplomat Escott Reid, 21 January 2005
View without frames or ----- Read and print in pdf format [79 kb]
Download (pdf files) such as:
Glossary of Petrographic Terms (Jan. 2015, 201 kb)
Canadian Meteorite Catalogue (n=73, July 2013, 76 kb)

Chinese-pinyin-English translation
Weather forecast: Beijing
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