File:Ison Creek Kimberlite (Elliott County Peridotite, Late Cretaceous, 75 Ma; west of Stephens, Elliott County, Kentucky, USA) 1 (14843569933).jpg
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Summary
[edit]DescriptionIson Creek Kimberlite (Elliott County Peridotite, Late Cretaceous, 75 Ma; west of Stephens, Elliott County, Kentucky, USA) 1 (14843569933).jpg |
Ison Creek Kimberlite from the Cretaceous of Kentucky, USA (cut surface; field of view 4.5 centimeters across). This rock is from the Ison Creek Kimberlite (a.k.a. Ison Creek Pipe) of northeastern Kentucky. Petrographic studies report that Ison Creek rocks contain serpentinized olivine, perovskite, ilmenite, vermiculitized phlogopite, pyrope garnet, bronzite pyroxene, Cr-diopside, calcite, and xenoliths. Documented xenoliths include Pennsylvanian Breathitt Formation black shale, limestone, basement granite fragments, and upper mantle eclogite fragments. The Ison Creek Kimberlite is part of the Elliott County Peridotite and formed about 75 million years ago (Late Cretaceous). Diamonds have not yet been reported from this unit. Locality: Ison Creek valley area (vicinity of Rt. 409 & Hamilton Creek Road), just west of Stephens, east of Newfoundland, eastern Elliott County, northeastern Kentucky, USA (vicinity of 38° 07’ 41.95” North latitude, 82° 59’ 42.21" West longitude) Info. mostly synthesized from: Schulze (1984), in Kimberlites II: the Mantle and Crust-Mantle Relationships. |
Date | |
Source | Ison Creek Kimberlite (Elliott County Peridotite, Late Cretaceous, 75 Ma; west of Stephens, Elliott County, Kentucky, USA) 1 |
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@N05/14843569933 (archive). It was reviewed on 1 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
1 December 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:08, 1 December 2019 | 2,742 × 1,544 (1.27 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Orientation | Normal |
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Horizontal resolution | 1,600 dpi |
Vertical resolution | 1,600 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 22:31, 3 August 2014 |
Color space | Uncalibrated |
Image width | 2,742 px |
Image height | 1,544 px |
Date and time of digitizing | 18:30, 3 August 2014 |
Date metadata was last modified | 18:31, 3 August 2014 |