Search results
|
|
No page with that title exists You can create an article with this title or put up a request for it. Please search Wikipedia before creating an article to avoid duplicating an existing one, which may have a different name or spelling.
Showing below 17 results starting with #1.
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).
No article title matches
Page text matches
- Eye (21834 bytes)
9: ...yonic development, while mollusk eyes grow inward from skin cells.
13: ...rm the lenses of their eyes. In this, they differ from most other arthropods, which have soft eyes. Th...
24: ...ours, the [[aqueous humour]]. Most of the light refraction occurs at the [[cornea]] which has a fixed ...
25: ...from a single point of a distant object and light from a single point of a near object being brought t...
27: ...rising from the shape of the cornea and lens, and from the length of the eyeball. These include [[myop... - Basalt (2961 bytes)
2: ...n be highly vesiculated, imparting a lightweight "frothy" texture to the rock. The term basalt is ofte...
4: ...es of [[zeolite]]s, [[quartz]] or [[calcite]] are frequently found. - List of minerals (11610 bytes)
88: #[[Burmite]] (amber from Burma)
92: #[[Calcite]]
188: #[[Franckeite]]
189: #[[Franklinite]] (spinel group)
278: ...uli]] (a rock consisting primarily of lazurite, [[calcite]] and [[pyrite]]) - Animal shell (2105 bytes)
5: ...rotein]]), followed by an intermediate layer of [[calcite]] or [[aragonite]], and then a layer of [[calcium...
7: ...In these mollusks the calcium is concentrated out from the blood where it can crystallize as calcium c... - History of Sumer (5370 bytes)
6: ...riptions have been found bearing some early names from the King List. The first name on the List whos...
8: Some of the earliest monuments from [[Lagash]] mention a certain [[Mesilim]], king ...
10: Another name from the King List, [[Mesannepada]] of [[Ur]] seems ...
14: ... [[Dilmun]] (Bahrain) brought him wood as tribute from foreign lands.
29: ...goldsmith's art had already attained. A vase of [[calcite]], also dedicated by Entemena, has been found at ... - Limestone (3809 bytes)
1: [[Image:Limestoneshale7342.JPG|frame|right|Limey [[shale]] overlaid by limestone. [...
3: ...or information on calcite dissolution). Secondary calcite may also be deposited by [[Supersaturation|supers...
7: ...nd]]s. Examples include the [[Verdon Gorge]] in [[France]]; [[Malham Cove]] in [[North Yorkshire]], [[...
9: ...t is supersaturated with chemical constituents of calcite. [[Tufa]], a porous or cellular variety of traver...
19: ...merica, most limestone used in construction comes from [[Indiana]]. - Sedimentary rock (7917 bytes)
1: [[Image:Limestoneshale7342.JPG|frame|right|Two types of sedimentary rock: limey [[s...
3: ...esults of biogenic activity; and by precipitation from [[solution]]. Sedimentary rocks include common ...
6: Sedimentary [[rock (geology)|rock]]s are formed from [[overburden pressure]] as particles of [[sedim...
14: ...discrete fragments or clasts of materials derived from other rocks. They are composed largely of [[qu...
22: ...with quartz, clay, feldspar, and metamorphic rock fragments present. - Sandstone (3252 bytes)
6: ...vices such as limestones or other rocks fractured from seismic activity.
10: ...nts binding these grains together are typically [[calcite]], [[clay]]s and [[silica]]. Grain sizes in sand... - Metamorphic rock (7141 bytes)
1: ...d [[metamorphism]], which means "change in form" (from the [[Greek]] words ''meta'', "change", and ''m...
14: ...[recrystallization]]''. For instance, the small [[calcite]] crystals in the sedimentary rock [[limestone]] ...
18: ...occurs when a strong compressive force is applied from one direction to a recrystallizing rock. This c...
22: Rocks that were subjected to uniform pressure from all sides, or those which lack minerals with di...
26: ... generally contain many elements that were absent from the original rock, and lack some which were ori... - Carbon (15360 bytes)
19: ...al to life, and esters, which give flavor to many fruits. The [[isotope]] [[carbon-14]] is commonly us...
37: ...r form to [[adsorption|adsorb]] toxins or poisons from the digestive system.
53: ...ectricity]]. The material is soft and the sheets, frequently separated by other atoms, are held togeth...
89: ...d deposits are in [[Africa]], notably in [[South Africa]], [[Namibia]], [[Botswana]], the [[Republic o...
94: ...Some important minerals are carbonates, notably [[calcite]]. [[Carbon disulfide]], CS<sub>2</sub>, is simil... - Graphite (4209 bytes)
23: | [[Fracture]]|| Flaky, otherwise rough when not on clev...
29: | [[Refractive index]]|| Opaque
44: ...''' (named by Abraham Gottlob Werner in [[1789]], from the [[Greek language|Greek]] γρα...
48: Associated minerals include: [[quartz]], [[calcite]], [[mica]]s, [[iron]] [[meteorite]]s and [[tourm...
58: ...he tightly-bound planes, but are slower to travel from one plane to another. - Trilobite (9216 bytes)
21: ...ght|300px|Fossil trilobite ''Ductina vietnamica'' from the Devonian of China]]'''Trilobites''' are ext...
24: ...mpletely fused together; a [[thorax]] composed of freely articulating segments; and a [[pygidium]] (ta...
26: ...tions called ''pleural lobes'', extending outward from a central ''axial lobe''. Contrary to popular b...
34: Trilobites range in length from one millimetre to 70 cm (1/25 inch to 20 inches...
40: ...rm the lenses of their eyes. In this, they differ from most other arthropods, which have soft eyes. Th... - Karst (5682 bytes)
13: ... planes in the limestone bedrock. Over time these fractures enlarge as the bedrock continues to dissol...
19: ... and other dissolved minerals as the water drips from above. An example is the [[Gruta Rei do Mato]] ...
21: ...roduce [[tufa]] terraces, consisting of layers of calcite deposited over extended periods of time as the wa...
26: ...ently hazardous, as the well water may simply run from a sinkhole in a cattle pasture through a cave a... - Brittle star (5616 bytes)
13: ...|left|Fossil brittle star ''Palaeocoma egertoni'' from the Jurassic of England]]
20: ...r parts of this range. Ophiuroids are known even from abyssal (> 6000m) depths. However brittle star...
25: ...carbonate (calcite) skeleton. In ophiuroids, the calcite ossicles are fused to form armor plates (collecti...
27: ...ral body disk in ophiuroids is sharply marked off from the arms. The disk contains all of the viscera...
33: ...n in the figure. The body and arms are also bear calcite plates and delicate spines. Euryalids are simila... - Sedimentary rocks (7917 bytes)
1: [[Image:Limestoneshale7342.JPG|frame|right|Two types of sedimentary rock: limey [[s...
3: ...esults of biogenic activity; and by precipitation from [[solution]]. Sedimentary rocks include common ...
6: Sedimentary [[rock (geology)|rock]]s are formed from [[overburden pressure]] as particles of [[sedim...
14: ...discrete fragments or clasts of materials derived from other rocks. They are composed largely of [[qu...
22: ...with quartz, clay, feldspar, and metamorphic rock fragments present. - Mineral (10947 bytes)
1: ...neral structures]]. Minerals range in composition from pure [[Chemical element|element]]s and simple [...
3: [[Image:minerals.jpg|right|frame|Photo from [http://volcanoes.usgs.gov/Products/Pglossary/m...
7: ...lase]] [[feldspar]]s comprise a continuous series from [[sodium]]-rich [[albite]] (NaAlSi<sub>3</sub>O...
11: ... [[lead]] and [[sulfur]]) and [[periclase]] (made from [[magnesium]] and [[oxygen]]) all share the sam...
20: ...found in a handful of samples, and many are known from only one or two small grains. - Coral (8108 bytes)
4: ... corals obtain much of their nutrient requirement from [[symbiosis|symbiotic]] unicellular [[alga]]e c...
17: ...omposed of a form of calcium carbonate known as [[calcite]].
19: ...ulate corals their skeletons are also composed of calcite. The finest details of their skeletal structures ...
21: ..., and they are relatively common fossils in rocks from the [[Jurassic]] and [[Cretaceous]] periods as ...
23: ...us period of South America and [[Denmark]]. Reefs from both the Silurian and [[Carboniferous]] periods...
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).