書誌事項
- タイトル別名
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- Methods to estimate the pressure-temperature histories of garnet peridotite and eclogite in the ultrahigh-pressure metamorphic belts: A review of geothermobarometers and their geological applications
- チョウコウアツ ヘンセイタイ チュウ ノ ザクロイシカンランガン オヨビ エクロジャイト ノ オンド アツリョク リレキ カイセキホウ : チシツ オンド アツリョクケイ ノ ガイセツ ト テキヨウ
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抄録
Ultrahigh-pressure (UHP) metamorphic rocks, represented by coesite- or its pseudomorph-bearing eclogites, have been found mainly from continent-continent collision orogenic belts, and garnet peridotite bodies are also known to occur in such UHP belts. The UHP eclogites and garnet peridotite bodies/layers/lenses are commonly enclosed within metamorphic rocks derived from continent crustal materials composed by moderate to low pressure metamorphic minerals, although they should have been located under deep mantle depths (>50 km). Therefore, elucidation of juxtaposition processes between the mantle material and the host crustal material is one of main subjects for the petrology in the UHP belts. Delineating of pressure-temperature (P-T) paths of these UHP garnet peridotite bodies can give us indispensable constraints to clarify the juxtaposition process of mantle and crustal materials in the continent-collision settings and the exhumation processes of deeply subducted rocks with higher density than the crustal rocks. In this paper, we summarize the commonly used methods to determine P-T histories of the UHP garnet peridotite bodies (i.e., geo-thermometer and barometer) and discuss P-T paths of UHP rocks in collision type orogenic belts, and their tectonic significance.<br>
収録刊行物
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- 岩石鉱物科学
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岩石鉱物科学 41 (6), 225-246, 2012
一般社団法人 日本鉱物科学会
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詳細情報 詳細情報について
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- CRID
- 1390282681502947840
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- NII論文ID
- 10031134512
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- NII書誌ID
- AA1146088X
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- ISSN
- 13497979
- 1345630X
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- NDL書誌ID
- 024222539
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可