What does AT stand for?

Assay Ton

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Architectural Technologist/Techinician (professional accreditation) Argentine Tango Armored Trooper (anime) Army Telegraph (philatelic overprint, South Africa) Army Training Army Transformation (US Army) Arranged Team (gaming) Arsenic Trioxide Ashmore and Cartier Islands Askarel Transformer		Assistive Technology Astatine Asti, Piemonte (Italian province) Astrometry Team Astronomy Tower (fanfiction) Asynchronous Terminal Asynchronous Transmission Ataxia-Telangiectasia Atlantic Time Atmosphere

Samples in periodicals archive:

Analysis was conducted on 1 assay ton samples, with one standard, one duplicate and one blank sample inserted every 30 samples.

Mexico: Mazorro and Oro Gold Drill 0.9 g/t Gold Over 90 Metres at ...

Gold analyses were completed by standard one assay ton fire assay with AAS finish.

Northgate Confirms the Presence of a Substantial New Mineralized ...

All results were strongly anomalous and were re-run by the fire assay method (using a 1 assay ton aliquot) giving the results mentioned above.

Liberty Star Acquires Bonanza Hills Gold Target Northeast of Big ...

Assaying is done by standard fire assay techniques with Atomic Absorption ("AA") finish on a one assay ton (30 gram nominal weight) sub-sample from the original 200 gram pulverized sample.

St. Jude Intersects More Gold at Benso, Including 7.64 g/t Over 10 ...