shell crust
91Crustacea — 1814, from Mod.L. neut. pl. of crustaceus (animalia), lit. having a crust or shell, from L. crusta crust, rind, bark, hard shell (see CRUST (Cf. crust)). Taken as a zoological classification by Lamarck, 1801; Cuvier (1798) had les insectes… …
92Moho line — The Mantle is a part of an astronomical object. Earth s mantle is a 2,900 km thick rocky shell comprising approximately 70% of Earth s volume. It is predominantly solid and overlies the Earth s iron rich core, which occupies about 30% of Earth s… …
93isostasy — /uy sos teuh see/, n. 1. Geol. the equilibrium of the earth s crust, a condition in which the forces tending to elevate balance those tending to depress. 2. the state in which pressures from every side are equal. Also, isostacy. [1885 90; ISO +… …
94Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
95Large igneous province — Only a few of the largest Large Igneous Provinces are indicated (by the dark purple areas) on this geological map, which depicts crustal geologic provinces as seen in seismic refraction data. A Large Igneous Province (LIP) is an extremely large… …
96Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …
97Lanthanoid — The lanthanoid (according to IUPAC terminology) (previously lanthanide) series comprises the 15 elements with atomic numbers 57 through 71, from lanthanum to lutetium. [ [http://www.iupac.org/reports/periodic table IUPAC Periodic Table] ] [ [http …
98Shrimp — For other uses, see Shrimp (disambiguation). Shrimp Temporal range: Lower Jurassic–Recent …
99Kola Superdeep Borehole — Coordinates: 69°23′46.39″N 30°36′31.20″E / 69.3962194°N 30.608667°E / 69.3962194; 30.608667 …
100Location hypotheses of Atlantis — Atlantis is the subject of a legend about an advanced island civilization that was destroyed or lost. The story of Atlantis was first mentioned around 360 B.C. in Plato s dialogues Timaeus and Critias , in which a character named Critias claims… …
