BASE
Concise Oxford Companion to the English Language
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1998
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© Concise Oxford Companion to the English Language 1998, originally published by Oxford University Press 1998. (Hide copyright information)
Copyright
BASE, also
base form. A WORD or
LEXEME from which another is derived: the base of
sharpen is
sharp, of
dorsal is
dors-. Within a series, successive forms are bases:
sharp for
sharpen,
sharpen for
sharpener. Here,
sharp is a primary base and
sharpen a secondary base. A word that serves as a base is a
base word; part of a word that serves as a base is a BOUND
base. See
MORPHOLOGY,
ROOT,
STEM.
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Paleogene-Early Miocene Igneous Rocks and Geodynamics of the Alpine-Carpathian-Pannonian-Dinaric Region: an Integrated Approach
Magazine article from: Geolines; 1/1/2006; ; 700+ words
; ...geodynamic link between Paleogene-Early Miocene igneous rocks of the Mid-Hungarian zone and those of the...summary suggests that the Paleogene-Early Miocene igneous suite in all studied igneous provinces of the Alps, Carpathians, Pannonian...
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The igneous rocks of Greece: the anatomy of an orogen.(Book Review)
Magazine article from: Atlantic Geology; 7/1/2004; ; 700+ words
; The igneous rocks of Greece: The anatomy...significance of each group of rocks is presented in detail...emphasis on the igneous rocks in the region, this is...is a template for using igneous petrology to dissect "the...
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The properties of various igneous rocks for [gamma]-ray shielding.
Magazine article from: Construction and Building Materials; 12/1/2007; ; 700+ words
; ...calculated for four different igneous rocks which are widely...mechanical properties of rocks has also been investigated...decreased. Keywords: Rock; Igneous; [gamma]-ray shielding...construction. Since igneous rocks are widely used as building...
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Igneous rocks: A classification and glossary of terms
Magazine article from: Mining Engineering; 8/1/2002; ; 376 words
; ...and terminology associated with igneous rocks. This work was carried out under...the 1989 edition. It shows how igneous rocks can be distinguished in the...charnockites. This updated glossary of igneous terms now includes 1,637 entries...
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Can Ternary Feldspars be Used to Constrain the Metamorphic Conditions of High-Grade Meta-Igneous Rocks? Evidence from Orthopyroxene Gneisses, Bohemian Massif
Magazine article from: Geolines; 1/1/2005; ; 490 words
; ...feldspars in high-grade meta-igneous rocks, and the recognition of the thermometric...temperature crystallisation of the igneous protolith. After exsolution, the...Some of the high-grade meta-igneous rocks from the Moldanubian of the...
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Geological implications from geochemical and isotopic studies of upper Cretaceous and lower Tertiary igneous rocks around the northern Rockall Trough
Magazine article from: Journal of the Geological Society; 5/1/1997; ; 700+ words
; ...acidic and intermediate rocks are also present. Intrusive and fragmentary rock types have been proved but...isotopic analyses undertaken on igneous rocks recovered from offshore...to those derived from the igneous rocks of Skye (Dickin 1981...
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U-Pb dating of Mesozoic igneous rocks from Hong Kong
Magazine article from: Journal of the Geological Society; 11/1/1997; ; 700+ words
; ...Mesozoic plutonic and volcanic rocks of Hong Kong. These have revealed...the Territory. Among these rocks, discordant U Pb data projected...results of recent Rb Sr whole-rock age dating of the granitoid rocks and have considerably improved...components, either as primary igneous or detrital ...
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Igneous rock associations 4. Oceanic island volcanism I mineralogy and petrology.(Series)
Magazine article from: Geoscience Canada; 3/1/2005; ; 700+ words
; ...differentiation. Magmas assimilate wall rocks in these chambers. Timescales...chambers. INTRODUCTION Most igneous activity in the ocean basins...represent <1% of all igneous rocks on Earth and ~2% of...placed on them for understanding igneous processes and the evolution...
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Igneous rock associations in Canada 3. Large Igneous Provinces (LIPs) in Canada and adjacent regions: 3 Ga to Present.(Series)
Magazine article from: Geoscience Canada; 9/1/2004; ; 700+ words
; ...ridge or by subduction are termed Large Igneous Provinces (LIPs), and consist of continental...and seamount chains. Associated felsic rocks may also be present. LIPs of Mesozoic...problemes geologiques. INTRODUCTION Large Igneous Provinces (LIPs) represent voluminous...
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Petrology, geochronology, and tectonic implications of c. 500 Ma metamorphic and igneous rocks along the northern margin of the Central Asian Orogen (Olkhon terrane, Lake Baikal, Siberia)
Magazine article from: Journal of the Geological Society; 1/1/2008; ; 700+ words
; ...from island arc mafic volcanic rocks and back-arc basin sediments...preserved in metamorphic and igneous complexes within the craton...of high-grade metamorphic rocks (up to granulite facies...interpreted as early Precambrian rocks of the Siberian craton margin...
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Igneous Rocks
Book article from: World of Earth Science
...are also called plutonic rocks, named after the Greek...good example of intrusive igneous rock is granite . Extrusive igneous rocks form when the magma or molten...rock, is also an extrusive rock. Igneous rocks are classified according...
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intrusion types and intrusive igneous rocks
Book article from: The Oxford Companion to the Earth
...intrusion types and intrusive igneous rocks Intrusive igneous rocks are formed where molten rock (magma) cools and solidifies...cooler surrounding country rock are, however, fine...chilled margin . Intrusive igneous rocks, by definition, solidify...
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hypabyssal igneous rocks
Book article from: The Oxford Companion to the Earth
...hypabyssal igneous rocks Hypabyssal igneous rocks are defined as those...Plutonic rocks form in large igneous intrusions, deep in the Earth...of the group of hypabyssal rocks are thus blurred and the term...parallel-sided, sheet-like igneous intrusions that form as a ...
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igneous rock classification
Book article from: The Oxford Companion to the Earth
igneous rock classification Igneous rocks are those that form from molten rock (magma), itself a product of the melting of parts of the Earth's interior. Igneous rocks display a variety of compositions, colours...
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grain size, igneous rocks
Book article from: A Dictionary of Earth Sciences
grain size, igneous rocks Arbitrarily defined limits for the sizes of crystals within an igneous rock. Commonly accepted grain-size ranges...Glassy no grains present For sedimentary rocks, see PARTICLE SIZE .
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