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GeneralRock thin sections for polarising microscope
8th Feb 2018 19:42 UTCTrevor Boyd
I have recently purchased an old J Swift & Sons polarising microscope and am enjoying studying the few slides I have at present.
However I would like to build my collection of these and wondered if anyone could suggest a good supplier?
I would also be keen to get some thin sections prepared of some of my local Northern Irish rocks so any suggestions of where I could get this done would be greatly appreciated too 8)
Thanks in advance
Trevor
8th Feb 2018 21:11 UTCTom Goodland
greetings from North Wales. I can't help you much, but i do know a retired geology lecturer here at Bangor who used to make his own thin sections. He says it's possible to get them made here in the UK, but very expensive. Don't know where though. Shame, as i'd like to have some as well.
cheers
tom
8th Feb 2018 22:26 UTCBen Grguric Expert
If you are getting thin sections made in the UK I've found this guy to be very reasonably priced and the sections are good quality. http://www.geosecslides.co.uk/index.php
He may have some Northern Ireland rocks in his stock which he can make up to order, or you simply send him offcuts of yours.
A good way to start is to get a classic British petrology text such as Harker (Petrology for Students) or more recent Nockolds, Knox and Chinner (Petrology) and then seek out the well-described rocks for your own thin sections. .e.g Harker describes and illustrates dolerites from Fair Head, Antrim.
Also look out on ebay as from time to time whole sets of thin sections are sold.
Ben.
8th Feb 2018 22:28 UTCBecky Coulson 🌟 Expert
Durham University offers the service, but I don't know the costs: https://www.dur.ac.uk/earth.sciences/research/facilities/geo_workshop/
http://www.geologysuperstore.com/index.php/rocks-minerals-fossils/thin-sections.html
Hope you are still finding good zeolites!
Kind regards, Becky
(edited because I gave one wrong address!)
9th Feb 2018 06:43 UTCDale Foster Manager
9th Feb 2018 09:19 UTCTrevor Boyd
I will post back here with the results of my enquiries 8)
PS haven't managed to get out collecting those zeolites a few months now Becky....but summer is coming, so heres hoping! 8)
9th Feb 2018 13:15 UTCAntonio Romano
I've hundreds of thin sections mostly of metamorphic and plutonic rocks of Minas Gerais state such as granitic and gneissic rocks, amphibolite, metabasics, metaultrabasicas and metasedimentary rocks, just to donate.
I'm retiring as professor of Petrography and Mineralogy and I want to empty my cabinet. I'll take sometime to select a didatic collection and send it by mail.
If you are interested please send a PM with your address.
Antonio
10th Feb 2018 16:59 UTCTrevor Boyd
For info of others I have heard back from the Durham University guys suggested by Becky above and they offer a service preparing slides for about £20-25 plus vat, which isn't too bad all things considered 8)
10th Feb 2018 21:27 UTCRalph S Bottrill 🌟 Manager
11th Feb 2018 09:17 UTCTrevor Boyd
11th Feb 2018 10:24 UTCAlysson Rowan Expert
11th Feb 2018 12:49 UTCTrevor Boyd
Can you recommend any particular type of diamond saw?
T
11th Feb 2018 13:21 UTCWayne Corwin
12th Feb 2018 09:30 UTCTrevor Boyd
Saw this one and thought it looked quite good????
https://www.ebay.com/itm/Beach-Diameter-Diamond-Saw-for-CUTTING-STONE-TRIM-SAW-/171675725917
13th Feb 2018 14:19 UTCAlysson Rowan Expert
They lack bells and whistles, but will take some home-built accessories (such as a slabbing slide) quite nicely, provided that you remember thay they are not precision saws. You will be rewarded for a careful set up of the machine (a good, solid bench location at least), and regular checks and maintenance.
They are designed for water-cooling, although they usually tolerate a LOW viscosity oil cooling. Remember that regular cleaning of the tank and filtration or replacement of the coolant is a must.
A thicker blade would also be an advantage for initial (rough) work - they are cheap enough on eBay/Amazon.
14th Feb 2018 13:01 UTCTrevor Boyd
T
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 26, 2024 19:33:16