مضرب (جيولوجيا)

المضرب Strike، هو اتجاه عمودي على اتجاه ميل dip، طبقة مائلة أو صدع، وهو خط أفقي يقع في مستوى الطبقة المائلةأو الصدع.

A standard Brunton compass, used commonly by geologists for strike and dip measurements

Stratum compass to measure dip and dip direction in one step

Strike and dip of the beds. 1-Strike, 2-Dip, 3-Apparent dip 4-Angle of dip

Strike and dip

Strike line and dip of a plane describing attitude relative to a horizontal plane and a vertical plane perpendicular to the strike line

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 المصادر

• Compton, Robert R. (1985). Geology in the Field. New York: J. Wiley and Sons. ISBN 978-0-471-82902-7. OCLC 301031779.
• Lahee, Frederic Henry (1961) [1916]. Field Geology (6th ed.). New York: McGraw-Hill. OCLC 500832981.
• Tarbuck, Edward J. (2008). 0-13-092025-8 Earth: An Introduction to Physical Geology (9th ed.). Upper Saddle River, N.J.: Pearson Prentice Hall. ISBN 0-13-156684-9. OCLC 70408067. {{cite book}}: Check |url= value (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)
• "Digital Cartographic Standard for Geologic Map Symbolization". FGDC Geological Data Subcommittee. USGS. August 2006. Retrieved 20 March 2010.