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Europium anomaly, the Glossary

The europium anomaly is the phenomenon whereby the europium (Eu) concentration in a mineral is either enriched or depleted relative to some standard, commonly a chondrite or mid-ocean ridge basalt (MORB).^[1]

17 relations: Anorthosite, Basalt, Calcium, Cerium, Cerium anomaly, Chondrite, Europium, Geochemistry, Geology of the Moon, Incompatible element, Lanthanide, Lunar mare, Magma, Mid-ocean ridge, Plagioclase, Rare-earth element, Valence (chemistry).
Lanthanides

Anorthosite

Anorthosite is a phaneritic, intrusive igneous rock characterized by its composition: mostly plagioclase feldspar (90–100%), with a minimal mafic component (0–10%).

See Europium anomaly and Anorthosite

Basalt

Basalt is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon.

See Europium anomaly and Basalt

Calcium

Calcium is a chemical element; it has symbol Ca and atomic number 20.

See Europium anomaly and Calcium

Cerium

Cerium is a chemical element; it has symbol Ce and atomic number 58. Europium anomaly and Cerium are lanthanides.

See Europium anomaly and Cerium

Cerium anomaly

The cerium anomaly, in geochemistry, is the phenomenon whereby cerium (Ce) concentration is either depleted or enriched in a rock relative to the other rare-earth elements (REEs). Europium anomaly and cerium anomaly are geochemistry and lanthanides.

See Europium anomaly and Cerium anomaly

Chondrite

A chondrite is a stony (non-metallic) meteorite that has not been modified, by either melting or differentiation of the parent body.

See Europium anomaly and Chondrite

Europium

Europium is a chemical element; it has symbol Eu and atomic number 63. Europium anomaly and Europium are lanthanides.

See Europium anomaly and Europium

Geochemistry

Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth's crust and its oceans.

See Europium anomaly and Geochemistry

Geology of the Moon

The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science") is quite different from that of Earth.

See Europium anomaly and Geology of the Moon

Incompatible element

In petrology and geochemistry, an incompatible element is one that is unsuitable in size and/or charge to the cation sites of the minerals in which it is included. Europium anomaly and incompatible element are geochemistry.

See Europium anomaly and Incompatible element

Lanthanide

The lanthanide or lanthanoid series of chemical elements comprises at least the 14 metallic chemical elements with atomic numbers 57–70, from lanthanum through ytterbium. Europium anomaly and lanthanide are lanthanides.

See Europium anomaly and Lanthanide

Lunar mare

The lunar maria (mare) are large, dark, basaltic plains on Earth's Moon, formed by lava flowing into ancient impact basins.

See Europium anomaly and Lunar mare

Magma

Magma is the molten or semi-molten natural material from which all igneous rocks are formed.

See Europium anomaly and Magma

Mid-ocean ridge

A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics.

See Europium anomaly and Mid-ocean ridge

Plagioclase

Plagioclase is a series of tectosilicate (framework silicate) minerals within the feldspar group.

See Europium anomaly and Plagioclase

Rare-earth element

The rare-earth elements (REE), also called the rare-earth metals or rare earths or, in context, rare-earth oxides, and sometimes the lanthanides (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals.

See Europium anomaly and Rare-earth element

Valence (chemistry)

In chemistry, the valence (US spelling) or valency (British spelling) of an atom is a measure of its combining capacity with other atoms when it forms chemical compounds or molecules.

See Europium anomaly and Valence (chemistry)

References

[1] https://en.wikipedia.org/wiki/Europium_anomaly

Also known as Eu anomaly.