Definition of authigenic in English:

authigenic

adjective ˌɔːθɪˈdʒɛnɪkˌôTHəˈjenik

Geology

(of minerals and other materials) formed in their present position.
〔地质〕（矿物及其他物质）自生的。常与ALLOGENIC 相对
Often contrasted with allogenic
Example sentencesExamples
- The trend is produced by the presence of variable amounts of hemipelagic mud in the authigenic carbonates.
- This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated.
- Detrital quartz from an igneous source is usually substantially brighter in luminescence than quartz of an authigenic origin.
- These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides.
- Later, authigenic quartz was precipitated and carbonate phases were partly silicified.
- To determine the stable isotope composition of authigenic cements with a high spatial resolution, samples for stable isotope analyses were taken from polished slabs using a hand-held microdrill.
- He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits.

Origin

Late 19th century: from Greek authigenēs 'born on the spot' + -ic.

Definition of authigenic in US English:

authigenic

adjectiveˌôTHəˈjenik

Geology

(of minerals and other materials) formed in their present position.
〔地质〕（矿物及其他物质）自生的。常与ALLOGENIC 相对
Often contrasted with allogenic
Example sentencesExamples
- This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated.
- These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides.
- The trend is produced by the presence of variable amounts of hemipelagic mud in the authigenic carbonates.
- Later, authigenic quartz was precipitated and carbonate phases were partly silicified.
- He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits.
- To determine the stable isotope composition of authigenic cements with a high spatial resolution, samples for stable isotope analyses were taken from polished slabs using a hand-held microdrill.
- Detrital quartz from an igneous source is usually substantially brighter in luminescence than quartz of an authigenic origin.

Origin

Late 19th century: from Greek authigenēs ‘born on the spot’ + -ic.

单词	authigenic
释义	Definition of authigenic in English: authigenic adjective ˌɔːθɪˈdʒɛnɪkˌôTHəˈjenik Geology (of minerals and other materials) formed in their present position. 〔地质〕（矿物及其他物质）自生的。常与ALLOGENIC 相对 Often contrasted with allogenic Example sentencesExamples The trend is produced by the presence of variable amounts of hemipelagic mud in the authigenic carbonates. This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated. Detrital quartz from an igneous source is usually substantially brighter in luminescence than quartz of an authigenic origin. These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides. Later, authigenic quartz was precipitated and carbonate phases were partly silicified. To determine the stable isotope composition of authigenic cements with a high spatial resolution, samples for stable isotope analyses were taken from polished slabs using a hand-held microdrill. He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits. Origin Late 19th century: from Greek authigenēs 'born on the spot' + -ic. Definition of authigenic in US English: authigenic adjectiveˌôTHəˈjenik Geology (of minerals and other materials) formed in their present position. 〔地质〕（矿物及其他物质）自生的。常与ALLOGENIC 相对 Often contrasted with allogenic Example sentencesExamples This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated. These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides. The trend is produced by the presence of variable amounts of hemipelagic mud in the authigenic carbonates. Later, authigenic quartz was precipitated and carbonate phases were partly silicified. He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits. To determine the stable isotope composition of authigenic cements with a high spatial resolution, samples for stable isotope analyses were taken from polished slabs using a hand-held microdrill. Detrital quartz from an igneous source is usually substantially brighter in luminescence than quartz of an authigenic origin. Origin Late 19th century: from Greek authigenēs ‘born on the spot’ + -ic.
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