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stratigraphic sequence
The analysis of facies associations revealed that the formation was deposited as a symmetrical transgressive-regressive rock succession representing a common stratigraphic sequence.
      
The bottom of the stratigraphic sequence of the Dzhugdzhur deep-seated granulite complex was determined to consist of a stratified metabasite-enderbite association.
      
2(a), (b)), reflecting the evolutional difference of oceanic environment and stratigraphic sequence between the upper and lower layers separated by the depth of 160 cm.3.Through a correlation of δ18O values, the core from No.
      
Human beings' activities on tidal flat have disturbed the vertical distribution of sediments in stratigraphic sequence and accelerated the sedimentation rates.
      
Measurements of ground resistivity or radar surveys in a raster of 0.5 or 0.5×0.05?m, respectively, are used to gain information on archaeological structures and on the main stratigraphic sequence of sites covering up to 0.5?ha per day.
      
A source-bed model, involving generation of noritoid "magma" from Cu-bearing members of the stratigraphic sequence, during the peak of metamorphism (800-1000 °C, 6-8 kb) is tentatively proposed.
      
Iron contents of associated sphalerite vary within meters of the stratigraphic sequence and even within one polished section; sphalerite geobarometry does not appear promising in these environments.
      
The Archaean greenstone terrane between Menzies and Kambalda exhibits a coherent, although deformed, stratigraphic sequence intruded by granitoids and bounded by major NNW-trending shear and/or fault zones.
      
The proportion of the radiogenic fluid in the modelled fluid mixtures interacting with the carbonate host rocks at the MVT deposits decreases as one moves up in the stratigraphic sequence of the Pucará Group.
      
In the hanging wall, the Western Lodes parallel a porphyry dike, both structures exploiting a favourable orientation in the stratigraphic sequence.
      
Stratigraphic sequence, elemental concentrations and heavy metal pollution in Holocene sediments from the Tinto-Odiel Estuary, s
      
The stratigraphic sequence, from bottom to top, comprises schist and marbles called 'Afyon metamorphics', Neogene sediments, and trachyte and trachyandesites, which are the products of Afyon trachytic volcanism, and Karakaya basalts.
      
One important intermediate step is to establish the age of the stratigraphic sequence.
      
Cyclic sequences occur worldwide in nearly every stratigraphic sequence; they are particularly well developed in marine deposits associated with large river systems.
      
Cyclic sequences occur worldwide in nearly every stratigraphic sequence; they are particularly well-developed in fluvial and deltaic sediments that have been influenced by high-frequency eustatic sea-level fluctuations.
      
Eighteen flows from a basal stratigraphic sequence on the Aleutian Island of Atka were analyzed for major elements, trace elements and initial 87Sr/86Sr ratios.
      
We studied lavas from a 250-m-thick stratigraphic sequence in Honomanu Gulch that includes the oldest (~1.1 Ma) subaerial basalts exposed at Haleakaka.
      
The stratigraphic sequence downward through the base of the reef or pegmatoid (melt)-chromitite-anorthosite-norite represents the sequence of stable mineral assemblages across the hydration/melting front.
      
It constitutes a stratigraphic sequence with a basal fall-out deposit containing rhyolitic pumice (68-74?wt% SiO2) overlain by ignimbrite with dominant crystal-rich dacitic pumice (64-66?wt% SiO2).
      
The igneous rocks have been subdivided on the basis of mineralogy and chemistry into a stratigraphic sequence of limburgites near the base, olivine basalts and upper augite-plagio-clase-phyric basalts.
      
 

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