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quartz grains and more feldspar grains than lithic grains Lithic sandstones have <90% quartz grains and more lithic grains than feldspar grains Abundance of...

sand-size lithic fragments set in a compact, clay-fine matrix. It is a texturally immature sedimentary rock generally found in Paleozoic strata. The larger...

Mesoamerica, the stage known as the Paleo-Indian period (or alternatively, the Lithic stage) is the era in the scheme of Mesoamerican chronology which begins...

found some of the most ancient human remains of South America. The lithic strata reveal animal bones and carbon fragments, analysed with carbon 14 dating...

of activities took place employing the whole array of lithic tools. The Gault site contains strata which date to prior to the appearance of Clovis (more...

regionalization: The contribution of the analysis of the lithic industries from Grotta della Serratura (Strata 10-9) in the definition of Epigravettian in the...

been used by humans and other hominids for at least 2.5 million years. Lithic technology marks some of the oldest and continuously used technologies....

related strata. The Havallah sequence is universally associated with the Sonoma orogeny, but units of the same age range and roughly the same lithic composition...

bifacial (with two wide sides or faces) and almond-shaped (amygdaloidal) lithic flake. Hand axes tend to be symmetrical along their longitudinal axis and...

hammerstone is a hard cobble used to strike off lithic flakes from a lump of tool stone during the process of lithic reduction. The hammerstone is a rather universal...

microlithic technology in South Asia and the role of environmental change on lithic technological change. At Jwalapuram Locality 9, five stratigraphic units...

as some rhyolites, felsites, quartzites, and other tool stones used in lithic reduction, chert fractures in a Hertzian cone when struck with sufficient...

melted material, typically forming a breccia containing glass and crystal or lithic fragments, formed during an impact event. It forms part of a group of rock...

Zagros and, seasonally, in numerous open-air sites. They were producers of a lithic industry of the Mousterian type, and their funerary remains, found in the...

from the popular one. His view was based on what may be the first in-depth lithic analysis of the objects in his collection, which led him to believe that...

tool industry, succeeding the Oldowan industry, and were the first to make lithic flakes bigger than 10 cm (3.9 in), and hand axes (which includes bifacial...

to the Eagle River Valley. Lithic-rich lapilli tuff comprise the northeastern and southern crater rims. A blanket of lithic-poor lapilli tuff covers the...

arrowheads, eight blades, four tools for cutting wood, and many lithic flakes and lithic cores. The stone tools found in this layer are smaller than those...

diagram. The Seelys formation, next in the order, consists of lithic tuff and pumice-littered lithic lapilli-tuffs, banded, pumiceous, crystal tuff, and densely...

Coral, unconsolidated calcareous sand and lesser quartz, ferruginous and lithic sand. Transitional Member: Unconsolidated black to blue-grey estuarine mud...