Results 341 to 350 of about 208,933 (390)
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American Antiquity, 1961
AbstractStratigraphic interpretation rests on two principles: the principle of superposition and the principle that deposition units can be identified by cultural content. The sequence of deposition units derived from a case of superposition may not give a true cultural sequence if mixing, filling, or collecting has affected the cultural contents of ...
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AbstractStratigraphic interpretation rests on two principles: the principle of superposition and the principle that deposition units can be identified by cultural content. The sequence of deposition units derived from a case of superposition may not give a true cultural sequence if mixing, filling, or collecting has affected the cultural contents of ...
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New Zealand Journal of Geology and Geophysics, 1966 (1966). Time in stratigraphy. New Zealand Journal of Geology and Geophysics: Vol. 9, No. 4, pp. 541-544.
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2016
The geological structure of Azerbaijan includes complex sedimentary, metamorphic and magmatic formations representing wide stratigraphic diapason from Cambrian through recent eras. The majority of deposits are well-characterized faunistically.
Fakhraddin Kadirov +3 more
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The geological structure of Azerbaijan includes complex sedimentary, metamorphic and magmatic formations representing wide stratigraphic diapason from Cambrian through recent eras. The majority of deposits are well-characterized faunistically.
Fakhraddin Kadirov +3 more
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Russian Geology and Geophysics, 2015
Abstract Some contradictory propositions and concepts of the theory and practice of stratigraphy regarded as paradoxes are discussed. Attention is paid to the fundamental impossibility to associate the wide geographic distribution of a group of organisms with a high rate of speciation of these organisms.
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Abstract Some contradictory propositions and concepts of the theory and practice of stratigraphy regarded as paradoxes are discussed. Attention is paid to the fundamental impossibility to associate the wide geographic distribution of a group of organisms with a high rate of speciation of these organisms.
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American Antiquity, 1960
AbstractThe immediate stimulus for N. C. Nelson's stratigraphic technique in the Galisteo Basin, New Mexico, was his participation in 1913 in Obermeier and Breuil's excavations in Castillo Cave, one of the most famous of the Spanish paleolithic sites.
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AbstractThe immediate stimulus for N. C. Nelson's stratigraphic technique in the Galisteo Basin, New Mexico, was his participation in 1913 in Obermeier and Breuil's excavations in Castillo Cave, one of the most famous of the Spanish paleolithic sites.
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Sequence Stratigraphy, Seismic Stratigraphy and Basin Analysis
2010Seismic records are based on measurements of the time sound waves (seismic waves) take to travel through rock. The sound or signal is produced by explosives or compressed air (air guns). Rock is an elastic medium and the velocity of sound conveys a lot of information about the properties of the rock. Normal sound waves (P-waves) travel through both the
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Synopsis of the Stratigraphy [PDF]
, 1931 The stratigraphic table at the end of this chapter is a summary of the stratigraphy of the separate investigated regions. A mutual comparison gives the following results.
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Seismic Stratigraphy, Sequence Stratigraphy and Basin Analysis
2015Seismic records are based on measurements of the time sound waves (seismic waves) take to travel through rock. The sound or signal is produced by explosives or compressed air (air guns). Rock is an elastic medium and the velocity of sound conveys a lot of information about the properties of the rock. Normal sound waves (P-waves) travel through both the
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1984
Historical geology involves concepts of time, life and environments that are unfamiliar to us in terms of personal experience, but it is founded upon the study of materials and of structures that accumulated unevenly across the earth and at greatly varying rates in time.
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Historical geology involves concepts of time, life and environments that are unfamiliar to us in terms of personal experience, but it is founded upon the study of materials and of structures that accumulated unevenly across the earth and at greatly varying rates in time.
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