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39 relations: Alkali feldspar, Alpha particle, Apatite, Apollo 11, Armalcolite, Baddeleyite, Calcium, Cambrian, Cristobalite, Cubic crystal system, Diabase, Dike (geology), Feldspar, Fluorite, Gabbro, Hexagonal crystal family, International Mineralogical Association, Iron, Mare Tranquillitatis, Martian meteorite, Metamictization, Oxygen, Parts-per notation, Pilbara, Proterozoic, Pyroxferroite, Quartz, Rare-earth element, Silicate minerals, Silicon, Sill (geology), Titanium, Troilite, Uranium, Uranium–lead dating, Western Australia, Yttrium, Zirconium, Zirconolite.
Alkali feldspar
The alkali feldspar group are those feldspar minerals rich in the alkali elements like potassium and sodium.
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Alpha particle
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
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Apatite
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal.
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Apollo 11
Apollo 11 was the spaceflight that landed the first two humans on the Moon.
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Armalcolite
Armalcolite is a titanium-rich mineral with the chemical formula (Mg,Fe2+)Ti2O5.
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Baddeleyite
Baddeleyite is a rare zirconium oxide mineral (ZrO2 or zirconia), occurring in a variety of monoclinic prismatic crystal forms.
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Calcium
Calcium is a chemical element with symbol Ca and atomic number 20.
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Cambrian
The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.
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Cristobalite
The mineral cristobalite is a high-temperature polymorph of silica, meaning that it has the same chemical formula as quartz, SiO2, but a distinct crystal structure.
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Cubic crystal system
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.
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Diabase
Diabase or dolerite or microgabbro is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro.
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Dike (geology)
A dike or dyke, in geological usage, is a sheet of rock that is formed in a fracture in a pre-existing rock body.
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Feldspar
Feldspars (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8) are a group of rock-forming tectosilicate minerals that make up about 41% of the Earth's continental crust by weight.
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Fluorite
Not to be confused with Fluoride. Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2.
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Gabbro
Gabbro refers to a large group of dark, often phaneritic (coarse-grained), mafic intrusive igneous rocks chemically equivalent to basalt, being its coarse-grained analogue.
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Hexagonal crystal family
In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes 2 crystal systems (hexagonal and trigonal) and 2 lattice systems (hexagonal and rhombohedral).
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International Mineralogical Association
The International Mineralogical Association (IMA) is an international group of 38 national societies.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Mare Tranquillitatis
Mare Tranquillitatis (Latin for Sea of Tranquility or Sea of Tranquillity (see spelling differences)) is a lunar mare that sits within the Tranquillitatis basin on the Moon.
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Martian meteorite
A Martian meteorite is a rock that formed on the planet Mars and was then ejected from Mars by the impact of an asteroid or comet, and finally landed on the Earth.
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Metamictization
Metamictization (sometimes called metamiction) is a natural process resulting in the gradual and ultimately complete destruction of a mineral's crystal structure, leaving the mineral amorphous.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Parts-per notation
In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.
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Pilbara
The Pilbara is a large, dry, thinly populated region in the north of Western Australia.
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Proterozoic
The Proterozoic is a geological eon representing the time just before the proliferation of complex life on Earth.
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Pyroxferroite
Pyroxferroite (Fe2+,Ca)SiO3 is a single chain inosilicate.
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Quartz
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
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Rare-earth element
A rare-earth element (REE) or rare-earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.
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Silicate minerals
Silicate minerals are rock-forming minerals with predominantly silicate anions.
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Silicon
Silicon is a chemical element with symbol Si and atomic number 14.
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Sill (geology)
In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the direction of foliation in metamorphic rock.
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Titanium
Titanium is a chemical element with symbol Ti and atomic number 22.
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Troilite
Troilite is a rare iron sulfide mineral with the simple formula of FeS.
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Uranium
Uranium is a chemical element with symbol U and atomic number 92.
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Uranium–lead dating
Uranium–lead dating, abbreviated U–Pb dating, is one of the oldestBoltwood, B.B., 1907, On the ultimate disintegration products of the radio-active elements.
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Western Australia
Western Australia (abbreviated as WA) is a state occupying the entire western third of Australia.
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Yttrium
Yttrium is a chemical element with symbol Y and atomic number 39.
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Zirconium
Zirconium is a chemical element with symbol Zr and atomic number 40.
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Zirconolite
Zirconolite is a mineral, calcium zirconium titanate; formula CaZrTi2O7.
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References
[1] https://en.wikipedia.org/wiki/Tranquillityite
