ironstone

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ironstone

1. any rock consisting mainly of an iron-bearing ore
2. a tough durable earthenware

ironstone

[′ī·ərn‚stōn]
(petrology)
An iron-rich sedimentary rock, either deposited directly as a ferruginous sediment or resulting from chemical replacement.
References in periodicals archive ?
McDougall paints a bucolic picture of the countryside where the Iron Stone was found but surprisingly does not mention it, surprising since it was his father, George McDougall, who had the famous Metis guide John Whitford transport it to Victoria Mission in 1866, three years before son John McDougall returned with Whitford to the area.
Mapping and sampling has uncovered a second zone of pisolitic iron stone mineralization about 1 kilometer in length and 400 meters wide along the southern margin of the Robe River system.
BSF Commandant Raj Kumar Negi, who is looking after the entire operation in Kalimath, said: " We have placed three layers of iron stone caging.
Iron stone is a hard white China first made in 1800 and successfully made by Masons and others almost to the present daty.
The first known reference to a European actually seeing the Iron Stone was made on October 7, 1858 by W.
CLEVELAND RETIRED MEN'S ASSOCIATION: Alan Richardson, a born and bred miner, having spent 11 years in Iron Stone mining, and 25 years with Cleveland Potash brought an enthusiastic presentation to the meeting.
WaterlooThis appears to be an Iron stone bowl dating form the 1850s.
During that time there have been many transitions from iron stone mining to steelmaking to shipbuilding to processing and chemicals and now Tees Valley is changing again to meet the demands of the modern commercial world.
It was interesting to learn about the heritage of the iron stone mines.
The now demolished mansion at Llysnewydd, Llangeler, had a laundry containing a mangle, an iron stone, four deal tables, four clothes baskets, a large trunk, four clothes horses, one box and four iron stands.
Our first Francis William left Norfolk, bringing his family to Guisborough to get work in the iron stone mines nearby.
Also included were East Cleveland iron stone mines.