Also found in: Thesaurus, Medical, Encyclopedia.


1. The gross physical character of a rock or rock formation.
2. The microscopic study, description, and classification of rock.

lith′o·log′ic (lĭth′ə-lŏj′ĭk), lith′o·log′i·cal adj.
lith′o·log′i·cal·ly adv.
li·thol′o·gist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Mentioned in ?
References in periodicals archive ?
The potential to have a large-scale copper-gold-silver deposit with similar lithologic, mineralization, alteration, and orientation characteristics of our world-class neighbour Galore Creek 30km to the northwest is very encouraging.
In previous publications [4, 5] copper adsorptions on calcined substrates prepared with some of these refractory lithologic materials which have surface variable charges were described.
According to lithologic characteristics, the sequences of the Jimusaer Lucaogou Formation can be divided into six segments from bottom to top whereas only four segments can be found in the Fukang mining area (Fig.
Correlating general soil and geologic mapping units to sample locations is expected to be less precise than using lithologic observations specific to each sample.
The lithologic characteristics of the efflorescent-oxidised rock mass are shown in Table 1.
The lithologic composition of the stratigraphic units was obtained from the wireline and cuttings logs.
Two main lithologic types, sandstone and shale, have been described above as characterizing the sedimentary deposits exposed at the Djega section.
Caption: Figure 2: Geological profile of Jiangxiang reservoir showing location of test boreholes, groundwater levels, lithologic types, and distances between boreholes.
One is hand-drawn on tracing paper for publication, the other is a draft version on tracing linen with lithologic symbols (Kidd, 1996, entry 2573).
Figure 7a represents Th/K ratio concentrations which map some lithologic contrast and enhanced alteration signatures.