File:Kimberlite (Hamilton Branch Kimberlite, Elliott County Peridotite, Late Cretaceous, ~75 Ma; between Ison Creek & Hamilton Branch, Elliott County, Kentucky, USA).jpg
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Original file (2,474 × 1,490 pixels, file size: 1.54 MB, MIME type: image/jpeg)
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Summary
| Description |
English: Hamilton Branch Kimberlite from the Cretaceous of Kentucky, USA (field of view ~2.6 centimeters across).
This rock is from northeastern Kentucky’s nondiamondiferous Hamilton Branch Kimberlite (a.k.a. Hamilton Branch Pipe), part of the Late Cretaceous-aged Elliott County Peridotite. It has obvious & abundant serpentinized olivine crystals (= rounded to irregularly shaped green masses). Small xenoliths of eclogite from the upper mantle have been reported from this pipe, but are rare. Locality: between Ison Creek and Hamilton Branch (Hamilton Creek), between Rt. 409 and Hamilton Creek Road, west of the town of Stephens & east of Newfoundland, eastern Elliott County, northeastern Kentucky, USA (vicinity of 38° 07’ 42” North latitude, 82° 58’ 53” West longitude) Most info. from: Schulze (1984), in Kimberlites II: the Mantle and Crust-Mantle Relationships. |
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| Source | https://www.flickr.com/photos/47445767@N05/14637076989/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/14637076989. It was reviewed on 2 November 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:02, 2 November 2020 | | 2,474 × 1,490 (1.54 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/14637076989/ with UploadWizard |
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