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ferricrete
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ferricrete
ferricrete Geol. (ˈfɛrɪkriːt) [f. ferri- + concrete n., after calcrete.] Any breccia, conglomerate, or soil zone consisting of soil or other fragmentary material cemented by iron compounds.1902 G. W. Lamplugh in Geol. Mag. 4th Ser. IX. 575, I have the hardihood to suggest..‘ferricrete’ when the bind...
Oxford English Dictionary
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Ferricrete
Ferricrete is a hard, erosion-resistant layer of sedimentary rock, usually conglomerate or breccia, that has been cemented into a duricrust by iron oxides Ferricrete is used widely in South Africa to create roads in rural areas.
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silcrete
silcrete Geol. (ˈsɪlkriːt) [f. silica + concrete n.] A quartzite formed of sand grains or pebbles cemented together by silica; a siliceous duricrust.1902 G. W. Lamplugh in Geol. Mag. IX. 575, I have the hardihood to suggest that the term might be complemented by equivalents,—‘silcrete’, for sporadic...
Oxford English Dictionary
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Carrstone
Carrstone can also phase into puddingstone, ferricrete and silver carr. Because of its variations it does not lend itself to carving or finer work.
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Silcrete
The formation of silcrete is similar to that of calcrete, formed by calcium carbonate, and ferricrete, formed by iron oxide.
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Drosanthemum lavisii
Sometimes there are also elements of silcrete, ferricrete or shales (it is frequently found in Shale Renostervelds and Ferricrete Fynbos vegetation types
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post-date
▪ I. post-date, n. (ˈpəʊstdeɪt) [f. post- A. 1 b + date n.2 So F. postdate, obs. postidate.] A date affixed to a document, or assigned to an event, later than the actual date.1611 Cotgr., Postidate, a Post-date. 1701 H. Wanley in Phil. Trans. XXV. 1997 The reason of these Post-Dates was, because..a ...
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Acrodon
A rarer species restricted to quartz-fields in the Eastern Rûens Shale Renosterveld and Potberg Ferricrete Fynbos vegetation types.
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Laterite
In some places laterites contain pisolites and ferricrete, and they may be found in elevated positions as result of relief inversion. Reportedly some have used it for ferricrete, others for tropical red earth soil, and yet others for soil profiles made, from top to bottom, of a crust,
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Protea pudens
It grows in a specific type of ferricrete-soil, fynbos habitat.
Pollination occurs through the action of birds.
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阿尼马斯河
Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan
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Nile Basin
Heights that rise above this pediplain contain laterite soils, sometimes with pisolites or ferricrete, and are remnants of an older surface.
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Lobostemon collinus
It is only known from Elim Ferricrete Fynbos. It grows on stony coastal flats.
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Lobostemon capitatus
It primarily occurs in Renosterveld in the northern parts of its distribution and in Elim Ferricrete Fynbos towards the south east.
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Adaffa Formation
Also present are ferricrete horizons. It was deposited in marginal marine conditions close to land.
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