10 LIVRES EN ANGLAIS EN RAPPORT AVEC «CONCHOIDAL»
Découvrez l'usage de
conchoidal dans la sélection bibliographique suivante. Des livres en rapport avec
conchoidal et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Color Atlas and Manual of Microscopy for Criminalists, ...
... phosphoresce Fracture Conchoidal Conchoidal Conchoidal to granular
Conchoidal to granular Conchoidal Conchoidal Perfect step break Conchoidal
Conchoidal Splintery; fibrous Granular and splintery Greasy; dull; conchoidal
Greasy; ...
Nicholas Petraco, Thomas Kubic,
2003
2
Natural Materials: Sources, Properties, and Uses
... directional perfect cleavage Conchoidal Uneven fracture Conchoidal fracture
Conchoidal fracture Conchoidal fracture Conchoidal fracture Conchoidal fracture
Conchoidal fracture Conchoidal fracture Conchoidal fracture Conchoidal fracture
...
Jean Frances DeMouthe,
2006
3
A treatise on the external, chemical, and physical ...
Conchoidal, is composed of concave and convex roundish elevations and
depressions, which are more or less regular : when regular, they are
accompanied with concentric ridges,- as in many shells, and hence present a
conchoidal ...
4
A treatise on the external character of minerals
Conchoidal, is composed of concave and convex roundish elevations and
depressions, which are more or less regular: when regular, they are
accompanied with concentric ridges, as in many shells, and hence present a
conchoidal ...
Robert Jameson, Abraham Gottlob Werner,
1816
Grey, greenish, brown ; chatoyant ; fracture even or imperfectly conchoidal. 25.
Opal, var. y. <t. «. Colours dark, green, red, yellow; fracture conchoidal ; lustre
resinous; translucent or opake. 25. Chalcedony. Bluish, white, or grey ; fracture
even, ...
6
Encyclopaedia Britannica: Supplement to the 4th, 5th, and ...
Mineralogy, ening internally, and vitreo-resinous, and fracture s—\^"*' small
conchoidal, arc named iron-flint. Those varieties which exhibit grey, yellow,
brown, red, and green, generally muddy colours, and which occur massive and in
...
7
Professional Paper - United States Geological Survey
Some layers dense, bluish gray, conchoidal; others subcrystalline; others earthy.
Camarotoechiat lamellata, Spirifer vanuxemi, Rhynchospira globosa var., Spirifer
modestus, Tentaculites gyracanthus, Ostraeoda, Bryozoa, throughout; ...
Geological Survey (U.S.),
1918
8
Shorter contributions to general geology, 1917
Z6.9;Rhynchospira globosa var., 35.9, 34.9 Limestone, single bed, dark gray, fine
grained, with conchoidal fracture; very distinct along exposure; not nodular.
Limestone, thin bedded, dark gray, nodular, impure. Camarotoechiat lamellata.
9
The Encyclopaedia Britannica: Or, Dictionary of Arts, ...
Those varieties which exhibit grey, yellow, brown, red, and green, generally
muddy colours, and which occur massive, and in extraneous external shapes,
with a splintery or conchoidal and dull or glimmering fracture, and are opaque or
...
10
Armor: A Preliminary Study of the Effects of the
Conchoidal ...
The object is to determine if the conchoidal fracture indicates poor physical and metallurgical properties and to properly evaluate the conchoidal fracture in accordance with the Fibre Fracture Test.
A. Hurlich, WATERTOWN ARSENAL LABS MA.,
1943
10 ACTUALITÉS CONTENANT LE TERME «CONCHOIDAL»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
conchoidal est employé dans le contexte des actualités suivantes.
Getting Back to Basics at a Primitivist School
The hammerstone has to hit the rock at the exact right spot with the exact right force to produce a conchoidal fracture and flake off a precise ... «VICE, mai 15»
Neanderthals May Have EATEAN Dead Bodies As Their Ritual Rites
“The upper edge exhibits marks of a “post-mortem” impact with conchoidal markings (those that does not follow natural separation positions).”. «Empire State Tribune, avril 15»
Neanderthals Mutilated the Bodies of Their Dead by Breaking and …
"The upper edge exhibits marks of a 'post-mortem' impact with conchoidal markings (those that do not follow natural separation positions)," ... «Science World Report, avril 15»
Arrowhead Day draws pointed interest to Crestline
“The rock has to break on a conchoidal fracture,” he said. Snyder, an employee at Mohican Outdoor School, said he's been knapping stone for ... «Richland Source, mars 15»
Ancient Technologies Featured at UA's Moundville
Called a conchoidal fracture, this type break is characteristic to glass and certain other stones, like flint, chert and obsidian. By hitting the top ... «UA News, févr 15»
Volcanoes as a resource, today and yesterday
When broken, it breaks into a “conchoidal fracture,” just like glass in a window. This creates an incredibly sharp edge, making obsidian a ... «Imperial Valley Press, oct 14»
Highland man shares passion for knapping
These artists take advantage of the conchoidal fracturing possible in certain rocks such as obsidian, chert and flint. Brown first shapes the stone ... «Daily Herald, déc 13»
Geology | Test reveals volcanic origin of ancient obsidian
Its color can range from black to mahogany to red, and its conchoidal fracture means tools made from it can have a super-sharp edge. «Columbus Dispatch, nov 13»
Primary Source of Incan Masonry
The rock is flow-banded and sometimes glassy, and it sometimes exhibits conchoidal fractures. Rumiqolqa is the most important of the many quarries used by ... «About - News & Issues, nov 13»
Calaverite – Occurrence, Properties, and Distribution
The fracture on this mineral is brittle - conchoidal. The density of calaverite is 9.04 g/cm3 with a hardness of 2.5 - approximate to finger nail. «Azomining, oct 13»