ferruginous


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Related to ferruginous: ferruginous bodies

ferruginous

(of minerals, rocks, etc.) containing iron

ferruginous

[fə′rü·jə·nəs]
(science and technology)
Pertaining to or containing iron.
Having the appearance or color of iron rust (ferric oxide).

ferruginous

Containing iron; such rocks indicate the presence of iron by reddish-brown stains.
References in periodicals archive ?
Prey composition and provisioning by breeding Ferruginous Hawks and Swainson's Hawks on the southern Great Plains, USA.
Judging by the commonly observed inverse relation between kaolinite and gibbsite in tropical ferruginous soils, gibbsite has been assumed to be formed at the expense of kaolinites (Hsu 1989).
A mesothelioma in a ferruginous hawk (Buteo regalis).
Several of the sensitive species, including the ferruginous hawk, nest on National Grassland units within the southern Great Plains and on adjoining private lands.
The actions will benefit two Annex I-listed bird species (pygmy cormorant Phalacrocorax pygmeus and ferruginous duck Aythya nyroca) in the Natura 2000 site Danube water course Bazias Iron Gates .
The Agbaja Formation and the iron mineralisation is laterally and aerially extensive across the Agbaja Plateau and consists of an upper unit comprising beds of ferruginous sandstone and reworked oolite/pisolite material (referred to as the Laterite unit) that overlies a sequence of massive ferruginous oolite and pisolite in a ferruginous matrix.
7 ([degrees]C) Soil types and Clayey tropical Tropical characteristics ferralitic soil; ferruginous moderately well soil, poorly drained, with to moderately 100 cm depth, drained with topsoil pH: 100 cm depth, 5.
At least seven of the cavities were also used for 16 nesting attempts by five other species of birds: Maroon-bellied Parakeet (Pyrrhura frontalis), White-eyed Parakeet, Ferruginous Pygmy-Owl (Glaucidium brasilianum), Chestnut-eared Aracari (Pteroglossus castanotis) and Planalto Woodcreeper.
The pharmacists had to provide the poorest citizens with the necessary treatments (such as the Armenian bole, a ferruginous, ochreish, red clay used as a therapeutic substance against plague and all types of poisons).
The iron-protein coating enveloping an asbestos core is called an asbestos body or ferruginous body.
In contrast, Nalban on the fringe of Salt Lake is the place to spot a large number of ducks and if lucky, even the rare Ferruginous Pochard.
From these materials, we diagnose the species as having ferruginous stem scales that contrast with the large basal petiole-scales, which have atropurpureous centers and rufous edges; long, delicate petiole-scale cilia; 2-pinnate laminae that lack a bulbil; lanceolate rachis scales that are either entirely rufous or bicolorous with dark centers; long-lanceolate, rufous pinna-rachis scales; serrate pinnules with strongly developed spinules; glandular trichomes on both sides of the pinnules, and no true indusium (Figs.