surficial

sur·fi·cial

 (sər-fĭsh′əl)
adj.
Of, relating to, or occurring on or near the surface of the earth.

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.

surficial

(sɜːˈfɪʃəl)
adj
(Geological Science) relating to the surface of the earth
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sur•fi•cial

(sərˈfɪʃ əl)

adj.
of or pertaining to a surface, esp. the land surface: a surficial geologic deposit.
[1890–95; sur (face) + (super) ficial]
sur•fi′cial•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.surficial - pertaining to or occurring on or near the earth's surface; "a surficial geologic deposit"
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References in periodicals archive ?
The Company's objective is to deliver exceptional returns to shareholders by rapidly advancing a portfolio of surficial uranium deposits into low-cost producers.
These EPLs comprise the 100% owned Reptile Project tenements that contain the bulk of the surficial calcrete resources of the Company located within the highly prospective Tumas palaeochannel (86Mlb U3O8 grading 306ppm) and the basement alaskite resources of 45.1Mlb grading 420ppm U3O8.
Fine-grained sulphide assemblage around the breccia clasts has been completely oxidised by surficial weathering.
The surface of the territory of Lithuania and surficial geological surroundings which are relevant from an engineering point of view formed during the Quaternary period.
The rocks exposed in the coal bearing area are sedimentary rocks ranging in age from Jurassic to Pleistocene along with Subrecent and Recent surficial deposits.
Surficial appearance.--The morphology of the processed surfaces was visualized by a scanning electron microscope (SEM; EVO LS15, Carl Zeiss Microscopy Ltd., Cambridge, UK).
If relationships can be identified between surficial geomorphology and arsenic concentrations, then there may be less need to routinely perform extensive site-specific evaluations.
The system is expanding its water supply with two new Floridian aquifer supply wells under design and construction and one new surficial aquifer water supply well under construction.
The surficial geology of the county is composed entirely of glacial and post-glacial deposits.
Craig dealt with the Paleozoic and surficial geology, respectively.
The property has seen in excess of $20M in historical exploration work, including over 21,000 meters of diamond drilling, geophysical surveying and surficial sampling data.