Stratigraphic nomenclatue and correlation chart for east-central New Mexico
— Spencer G. Lucas and Barry S. Kues
The stratigraphic nomenclature and ages of Phanerozoic units in eastcentral New Mexico are summarized in the accompanying chart (Fig. 1). The chronostratigraphic scale on the left side of the chart is from Harland et al. (1982). It is not a complete scale; the missing chronostratigraphic units reflect gaps in the lithostratigraphic record of eastcentral New Mexico. The following abbreviations are used: E= Early, L= Late, M = Middle, Ma= Meganna (million years), Ng = Neogene, PEN = Pennsylvanian, PER = Period, Pg = Paleogene, Q = Quaternary, SUB-P =Sub-Period, and TERT= Tertiary. The lithostratigraphic units generally run from the north/northwest (southern Sangre de Cristo Mountains—Las Vegas) to the south/southeast (Pedernal Mountains—Fort Sumner), with exceptions noted below.
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- Lucas, Spencer G.; Kues, Barry S., 1985, Stratigraphic nomenclatue and correlation chart for east-central New Mexico, in: Santa Rosa-Tucumcari region, Lucas S. G.; Zidek, J., New Mexico Geological Society, Guidebook, 36th Field Conference, pp. 341-344.