ferricrete


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ferricrete

[′fer·ə‚krēt]
(geology)
A conglomerate of surficial sand and gravel held together by iron oxide resulting from percolating solutions of iron salts.
References in periodicals archive ?
Large boulders of ferricrete and cemented sand had rolled down some of the foredunes in the area in recent months.
For instance, the international literature records terms such as laterite, petroferric contact, ferricrete, cuirasse, duricrusts, iron crusts, ironstones, ironpans, pisoliths, pisoplinthite, iron concretions and nodules.
Try Paul Cluver Ferricrete Riesling 2013, Elgin, South Africa (PS12.
The soil cover units consist in numerous zones of ferricrete interspersed with deep nonhydromorphic soils.
In addition to the planned RC drill programs mentioned above, an aircore drill program of approximately 3,600 metres will be used to further define gold geochemistry targets over an area of 1km2 between the Kouglaga and Konkera North Prospects where deep ferricrete horizons have limited previous conventional auger and soil geochemistry programs.
An Investigation of Silcrete, Ferricrete and Telephone Creek Formation at Fowlers Gap Arid Zone Research Station, Western NSW.
The resulting profile of the orebody consists of hard, high-iron ferricrete an average of 5-ft thick, the commercial nickel-bearing laterite ore from 150- to 330-ft thick, and a small amount of saprolite over unaltered dunite.
10 m depth travelled, masking the distinctive gamma-ray emissions of both ferricrete gravels and non-ferruginous clayey B horizons (Verboom and Pate 2003).
A new, high-grade blind deposit has also been found west of Lone Cone-Geita at Nyankanga under ferricrete cover.
The area is mined by local miners along streams and on higher ground under a ferricrete bowl in the south half of the prospect area.
5 m of the profile present (1) consists of materials dominated (>50%) by halite crystals 4 51 B horizon containing or Absent (0), directly underlain by present (1) ferricrete, a petroferric horizon or a petroreticulite horizon 2 52 Clear or abrupt textural B Absent (0), horizons# present (1) 2/5/8 53 Acidity of the major part Not of the upper 0.
These have been used in different research applications and have been successful in obtaining soil-root samples from a range of soil types, including ferricrete and silcrete.