surficial
Americanadjective
Other Word Forms
Etymology
Origin of surficial
1890–95; blend of surface and superficial
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Deep and intense weathering of soils and mineral deposits exposed at the surface can result in the formation of surficial deposits.
From Textbooks ● Jan. 1, 2017
Groundwater slowly moves through the rock and surficial materials.
From Textbooks ● Jan. 1, 2015
While segregation of materials is characteristic of the surficial products of weathering, the opposite tendency, of mixing and aggregation, is the rule under dynamic metamorphism, notwithstanding the minor segregation above noted.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
The very use of the terms "secondary" and "primary" has suggested antithesis between surficial and deep ores.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
The zinc oxide minerals in the surficial zone also are sometimes colored yellow by small amounts of greenockite.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
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