Stratigraphy

Engraving from William Smith's monograph on identifying strata based on fossils

Chalk layers in Cyprus, showing sedimentary layering

Stratigraphy is a branch of geology which studies rock layers (strata) and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy includes two related subfields: lithologic stratigraphy or lithostratigraphy, and biologic stratigraphy or biostratigraphy.

单词	Hydrostratigraphic
释义	Hydrostratigraphic 英语百科 Stratigraphy Stratigraphy is a branch of geology which studies rock layers (strata) and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy includes two related subfields: lithologic stratigraphy or lithostratigraphy, and biologic stratigraphy or biostratigraphy.
随便看	phosphoenolpyruvate的意思 Phosphoenolpyruvate Sugar Phosphotransferase System的意思 phosphoenolpyruvate sugur phospho transferase的意思 Phosphoenolpyruvate synthase的意思 phosphoenolpyruvate synthetase的意思 phosphoenolpyruvate synthsse的意思 phosphoenolpyruvic的意思 Phosphoenolpyruvic acid的意思 Phosphoenolpyruvic carboxylase的意思 phosphoenolpyruvic carboxylase kinase的意思 phosphoenol transphosphorylase的意思 phosphoenoltransphosphorylase的意思 phosphoenolxaloacetic acid的意思 phosphoenoylpyruvate的意思 phosphoenzyme的意思 phosphoepitope的意思 phosphoeptide的意思 phosphoereatine的意思 Phosphoester的意思 phosphoesteraase的意思 Phosphoesteraees complex的意思 phosphoester antisense oligodeoxynucleotides的意思 phosphoesterase的意思 phosphoesterase complex的意思 phosphoesterases complex的意思

Hydrostratigraphic

Stratigraphy