158:
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20:
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Hunt, ReBecca K., Vincent L. Santucci and Jason
Kenworthy. 2006. "A preliminary inventory of fossil fish from National Park Service units." in S.G. Lucas, J.A. Spielmann, P.M. Hester, J.P. Kenworthy, and V.L. Santucci (ed.s), Fossils from Federal Lands. New Mexico Museum of Natural History and
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252:, Leavy, B.D., Froelich, A.J., and Abram, E.C. Miscellaneous Investigations Series Map I-1313-C. 1983. Map Scale: 1:125,000.
24:
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is exposed there. The formation has produced disarticulated fish remains including isolated bones and scales.
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19:
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121:
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280:
Geology of Howard and
Montgomery Counties, Maryland Geological Survey, Baltimore, Maryland, 1964.)
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84:
250:
Bedrock map and geotechnical properties of rocks of the
Culpeper basin, Virginia and Maryland
218:
Unnamed stream exposing diabase of Boyds Sill, Hoyles Mill Trail, Montgomery County, Maryland
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8:
68:
164:
114:
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240:"Manassas National Battlefield Park," Hunt, Santucci, and Kenworthy (2006); page 64.
262:
Geologic history and stratigraphy of the
Triassic-Jurassic Culpeper Basin, Virginia
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Balls Bluff
Siltstone with diabase intrusion, northern face of Luck Stone Quarry,
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264:, R. C. Lindholm. GSA Bulletin (1979) 90 (11_Part_II): 1702–1736.
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Fisher, G. W., 1964, The
Triassic rocks of Montgomery County.
87:
within the basin were intruded by igneous rocks (primarily
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98:The Culpeper Basin is nearly continuous with the
75:. A diverse group of sedimentary rocks including
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148:boulders in the Culpeper Basin northeast of
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202:Sandstone from southwest the Boyds Sill in
270:
178:Limestone conglomerate of Leesburg Member
190:Another sample of limestone conglomerate
18:
16:Triassic rift basin in the United States
266:https://doi.org/10.1130/GSAB-P2-90-1702
243:
299:
95:at the contact with sedimentary rock.
120:The large body of diabase in central
293:Science Bulletin 34, pp. 63–69.
23:Geologic map of Culpeper Basin from
13:
124:, Maryland, is known as the Boyds
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1:
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7:
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128:, named after the town of
102:to the north and with the
91:), which caused thermal
51:. It lies east of the
33:
55:and extends from the
53:Appalachian Mountains
22:
307:Geology of Maryland
104:Barboursville Basin
30:link to publication
115:Bull Run Formation
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204:Montgomery County
122:Montgomery County
42:Newark Supergroup
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100:Gettysburg Basin
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111:Groveton Member
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150:Dulles Airport
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106:to the south.
57:Madison County
40:is one of the
38:Culpeper Basin
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61:Orange County
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93:metamorphism
85:conglomerate
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49:rift basins
287:References
206:, Maryland
224:Footnotes
144:Jurassic
81:sandstone
77:siltstone
69:Frederick
301:Category
165:Manassas
73:Maryland
65:Virginia
63:line in
46:Triassic
146:diabase
113:of the
89:diabase
83:, and
27:, 1983
130:Boyds
126:Sill
109:The
36:The
25:USGS
67:to
44:'s
303::
278:In
231:^
132:.
79:,
71:,
59:—
32:.
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