Turnstone Geological Services Limited

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


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

e-mail enquiry address [19 kb]

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


Last revised on Wednesday, 28 October 2020 / dernière modification mercredi, le 28 octobre 2020.

Rock of the Month List & Index [NOW with 232 ARTICLES]

MoM ------- ------- Menu of Meteorite Topics ------- ------- RWB

Browse the Turnstone site, or view and print a
1-page summary of services and achievements (May 2020, pdf, 281 kb)

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 82.0 (F. Quantum, 57.0 on, 64-bit - 01 Dec. 2017 - 25 Oct. 2020), plus
(Oct. 2013-) BlackBerry Z10 and (2019-2020) OnePlus 6T on Android 9

Unless otherwise indicated, material on this site is copyright G.C. Wilson / Turnstone G.S.L., 2001-2020.

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End of original content on this page - below: guest links, traffic counters and easy-access internal links
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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)
Precious-Metal & other Price Quotes (Commodity.com)
Magnetic Declination (NRCan)
Ontario ENDM databases such as AMIS, MDI, OGS publications and assessment files
Ontario Mining Lands Administration System (MLAS)
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
Weather forecast: Chelmsford (Essex, UK)
Weather forecast: Ireland
Weather forecast: Amsterdam
Weather forecast: Madrid
Weather forecast: Havana
Weather forecast: Pittsburgh, PA
Weather forecast: Dease Lake
Weather forecast: Prince George
Weather forecast: Invermere
Weather forecast: Edmonton
Weather forecast: Saskatoon
Weather forecast: Winnipeg


StatCounter, 15 Apr 2013 onwards, logs unique visits
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and currently at least 286 pages on this site
including all ROM 1-233: