File:Edgewise conglomerate 2.jpg
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Size of this preview: 800 × 596 pixels. Other resolutions: 320 × 239 pixels | 640 × 477 pixels | 1,024 × 763 pixels | 1,280 × 954 pixels | 2,560 × 1,908 pixels | 3,597 × 2,681 pixels.
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| Description |
English: Conglomerate is a poorly-sorted, siliciclastic sedimentary rock. The larger grains, such as pebbles or cobbles or boulders, are rounded to subrounded in shape, but angular to subangular clasts may also be present. The fine-grained matrix is sand or mud. Most conglomerates were deposited in stream/river environments or alluvial fan environments or some very shallow marine environments.
Pebble composition varies, but often consists of quartz (SiO2). Some conglomerates are lithic - they have abundant pebbles composed of rock fragments. The example seen here is an edgewise conglomerate, or flat-pebble conglomerate - most of the large clasts have a platy morphology. |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/52878509812/ |
| Author | James St. John |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/52878509812. It was reviewed on 9 May 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:00, 9 May 2023 | | 3,597 × 2,681 (8.75 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52878509812/ with UploadWizard |
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