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Ironstone, although widespread, is a limited source of iron. Historically, most
British iron originated from ironstone, but it is now rarely used for this purpose because it is far too limited in quantity to be an economic source of iron ore.
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Ironstone occurs in a variety of forms. The various forms of ironstone include siderite nodules; deeply weathered
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Report SP-96-1, U.S. Department of
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Freshly cleaved ironstone is usually grey. The brown external appearance is due to
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or created by chemical replacement, that contains a substantial proportion of an
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203:" of Staffordshire and American manufacture, a fine, white, high-fired vitreous
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98:. The iron minerals comprising ironstones can consist either of oxides, i.e.
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Neuendorf, K. K. E., J. P. Mehl Jr., and J. A. Jackson, J. A., eds. (2005)
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321:(5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp.
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is customarily restricted to hard, coarsely banded, non-banded, and non-
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The stone can be used as a building material. Examples include the
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Sedimentary rock that contains a substantial proportion of iron ore
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of its surface. Ironstone, being a sedimentary rock is not always
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Ironstone's oxide impurities render it useless as a component in
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deposits, which have a different origin, are generally known as
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This article is about the sedimentary rock. For other uses, see
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Sculptures carved out of ironstone are rare. One example is
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Dictionary of Mining, Mineral, & Related Terms.
30:Ironstone (sandstone with iron oxides) from the
352:"Henry Moore O.M., C.H. (British, 1898-1986)"
55:, either deposited directly as a ferruginous
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118:; or some combination of these minerals.
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304:U.S. Bureau of Mines Staff (1996)
74:Not to be confused with native or
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339:English and Scottish Earthenware
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182:Ironstone as a source of iron
281:Iron-rich sedimentary rocks
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145:Sometimes ironstone hosts
21:Ironstone (disambiguation)
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96:banded iron formations
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138:, sometimes used for
86:sedimentary rocks of
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63:compound from which
337:G. Bernard Hughes,
319:Glossary of Geology
110:; carbonates, i.e.
37:, Mile Marker 166,
35:Breathitt Formation
358:. 22 November 2023
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219:Ironstone wall in
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384:Sedimentary rocks
266:created in 1930.
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360:. Retrieved
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67:(Fe) can be
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356:bonhams.com
260:Henry Moore
173:ironstone.
147:concretions
132:homogeneous
122:Description
92:Precambrian
378:Categories
362:5 December
292:References
244:Eydon Hall
221:Deddington
157:Occurrence
142:purposes.
136:tiger iron
389:Iron ores
163:saprolite
128:oxidation
116:chamosite
108:magnetite
90:age. The
80:ironstone
49:Ironstone
286:Ironsand
276:Iron ore
270:See also
197:ceramics
191:Ceramics
167:laterite
165:, i.e. (
112:siderite
104:hematite
100:limonite
61:iron ore
57:sediment
43:Kentucky
199:: the "
169:); and
140:jewelry
69:smelted
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254:In art
242:, and
171:ooidal
153:gems.
106:, and
84:cherty
51:is a
364:2023
323:ISBN
264:Head
234:and
177:Uses
151:opal
65:iron
39:I-64
262:'s
246:in
238:in
230:at
149:or
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