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- Erosion prediction (2827 bytes)
15: - sediment-budget models based on watershed monitoring - Temperature record (5617 bytes)
41: .../revgeophys/mayews01/mayews01.html GISP] from Greenland stretch back as far as the previous interglaci...
47: On longer time scales, sediment cores show that the cycles of glacials and interg... - Pterosaurs (10375 bytes)
24: ...r some reason, when the bones were deposited, the sediments encapsulated the bones, rather then crushing the...
34: ... hollow and air filled, like the bones of birds. Unlike typical reptiles, pterosaurs had a keeled [[br...
38: ...kable imprints of hair on the head and body, not unlike modern-day bats. The presence of fur (and the ...
44: ...r even run bipedally, in addition to flying, not unlike modern [[road runner]]s. Other small pterosau...
56: ...f the pterosaurs. By the end of the Cretaceous, only large species of pterosaurs survived. The small... - Feathered dinosaur (7124 bytes)
20: ...ed in a [[Lagerstatte|Lagerst�tte]] — a [[sediment]]ary deposit exhibiting remarkable richness and c...
32: ...ce for these is restricted to its tail, so it is unlikely that these feathers were used for flight; th...
36: ...opment after hatching. Large adult theropods are unlikely to have had feathers, however, as the need f... - Stone Age (17593 bytes)
4: ...too. During the most recent part of the period, [[sediment]]s (like [[clay]]) were used to make [[pottery]]....
13: ...nce of stone artifacts, which are frequently the only remains which still exist, [[lithic analysis]] i...
73: [[Pre-historic art]] can only be traced from surviving artifacts. Prehistoric ...
77: ...Petroglyph]]s appeared in the New Stone Age, commonly known as Neolithic period. A Petroglyph is an ab...
80: ...ings was rare. Mostly, animals were painted: not only animals that were used as food but also animals ... - Coal (13357 bytes)
1: ...s a readily combustible black or brownish-black [[sedimentary rock]]. It is composed primarily of [[carbon]]...
9: ...of disappointment, trouble, affliction, and loss unless they are burning brightly when the symbol give...
15: ... occasionally be found in the shale and sandstone sediments that overlie coal deposits, and with special tec...
56: ... contamination]] (see [http://www.ornl.gov/info/ornlreview/rev26-34/text/colmain.html] and [http://gre...
58: ...l of carbon dioxide is produced in the process. Unless sequestration or some other process is used to... - Mineral (10947 bytes)
1: ...] processes. The term "mineral" encompasses not only the material's [[chemical composition]] but also...
20: ...in a handful of samples, and many are known from only one or two small grains.
24: ...hout equivocation. In other cases, minerals can only be classified by more complex chemical or [[X-ra...
26: Physical properties commonly used are :
27: ..., or it may be massive, granular or compact with only microscopically visible crystals.
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