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Description
English: Normal fault with diabase (dolerite) sill on hanging wall block (brownish weathering rock with massive appearance in the top third)[1] cutting through thin-bedded fine-grained siliciclastics of Balls Bluff Siltstone member, Bull Run Formation (i.e. Passaic Formation sensu Weems et al., 2016), Culpeper Basin, northern face of Luck Stone Quarry, Manassas VA
  1. ↑ cf. Richard Diecchio, Richard Gottfried (2004): Regional Tectonic History of Northern Virginia. Pp. 1–14 in: Scott Southworth, William Burton (eds.): Geology of the National Capital Region – Field Trip Guidebook. U.S. Geological Survey 1264, doi:10.3133/cir1264, p. 11/12 (fig. 6)
Date
Source Balls Bluff Siltstone with Diabase Intrusion
Author Greg Willis from Denver, CO, usa
Camera location38° 49′ 45.62″ N, 77° 29′ 28.31″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image, originally posted to Flickr, was reviewed on 29 January 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date.

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URL: https://www.flickr.com/people/34791752@N08
author name string: Greg Willis
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captured with

Canon PowerShot S90

coordinates of the point of view

38°49'45.624"N, 77°29'28.313"W

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described at URL: https://www.flickr.com/photos/gregw66/4802113326/
operator: Flickr

inception

19 June 2010

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f-number

4

focal length

6 millimetre

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80

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photograph

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4a1e13bf8c8a03e245a40259900c181f5dbab3a3

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1,600 pixel

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4802113326

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Date/TimeThumbnailDimensionsUserComment
current08:20, 29 January 2013Thumbnail for version as of 08:20, 29 January 20131,600 × 1,200 (873 KB)File Upload Bot (Magnus Manske)Transferred from Flickr by User:russavia

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