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Definition of geology
Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of geology is as below...
Geology
(n.) The
science
which
treats:
(a) Of the
structure
and
mineral
constitution
of the
globe;
structural
geology.
(b) Of its
history
as
regards
rocks,
minerals,
rivers,
valleys,
mountains,
climates,
life, etc.;
historical
geology.
(c) Of the
causes
and
methods
by which its
structure,
features,
changes,
and
conditions
have been
produced;
dynamical
geology.
See Chart of The
Geological
Series..
Lern More About Geology
☛ Wiki Definition of Geology
☛ Wiki Article of Geology
☛ Google Meaning of Geology
☛ Google Search for Geology
Niagara Period
::
Niagara
period
() A
subdivision
or the
American
Upper
Silurian
system,
embracing
the
Medina,
Clinton,
and
Niagara
epoch.
The rocks of the
Niagara
epoch,
mostly
limestones,
are
extensively
distributed,
and at
Niagara
Falls
consist
of about
eighty
feet of shale
supporting
a
greater
thickness
of
limestone,
which is
gradually
undermined
by the
removal
of the
shale.
See Chart of
Geology..
Laramie Group
::
Laramie
group () An
extensive
series
of
strata,
principally
developed
in the Rocky
Mountain
region,
as in the
Laramie
Mountains,
and
formerly
supposed
to be of the
Tertiary
age, but now
generally
regarded
as
Cretaceous,
or of
intermediate
and
transitional
character.
It
contains
beds of
lignite,
often
valuable
for coal, and is hence also
called
the
lignitic
group.
See Chart of
Geology..
Subapical
::
Subapennine
(a.)
Under,
or at the foot of, the
Apennine
mountains;
--
applied,
in
geology,
to a
series
of
Tertiary
strata
of the older
Pliocene
period..
Muschelkalk
::
Muschelkalk
(n.) A kind of shell
limestone,
whose
strata
form the
middle
one of the three
divisions
of the
Triassic
formation
in
Germany.
See
Chart,
under
Geology..
Ludlow Group
::
Ludlow
group () A
subdivision
of the
British
Upper
Silurian
lying below the Old Red
Sandstone;
-- so named from the
Ludlow,
in
Western
England.
See the Chart of
Geology..
Corniferous
::
Corniferous
(a.) Of or
pertaining
to the
lowest
period
of the
Devonian
age. (See the
Diagram,
under
Geology.)
The
Corniferous
period
has been so
called
from the
numerous
seams of
hornstone
which
characterize
the later part of the
period,
as
developed
in the State of New
York..
Portage Group
::
Portage
group () A
subdivision
of the
Chemung
period
in
American
geology.
See Chart of
Geology.
Molasse
::
Molasse
(n.) A soft
Tertiary
sandstone;
--
applied
to a rock
occurring
in
Switzerland.
See Chart of
Geology.
Micro-geology
::
Micro-geology
(n.) The part of
geology
relating
to
structure
and
organisms
which
require
to be
studied
with a
microscope.
Permian
::
Permian
(n.) The
Permian
period.
See Chart of
Geology.
Keuper
::
Keuper
(n.) The upper
division
of the
European
Triassic.
See Chart of
Geology.
Llandeilo Group
::
Llandeilo
group () A
series
of
strata
in the lower
Silurian
formations
of Great
Britain;
-- so named from
Llandeilo
in
Southern
Wales.
See Chart of
Geology.
Medina Epoch
::
Medina
epoch () A
subdivision
of the
Niagara
period
in the
American
upper
Silurian,
characterized
by the
formations
known as the
Oneida
conglomerate,
and the
Medina
sandstone.
See the Chart of
Geology..
Oryctology
::
Oryctology
(n.) An old name for
mineralogy
and
geology.
Trenton Period
::
Trenton
period
() A
subdivision
in the lower
Silurian
system
of
America;
-- so named from
Trenton
Falls,
in New York. The rocks are
mostly
limestones,
and the
period
is
divided
into the
Trenton,
Utica,
and
Cincinnati
epochs.
See the Chart of
Geology..
Catskill Period
::
Catskill
period
() The
closing
subdivision
of the
Devonian
age in
America.
The rocks of this
period
are well
developed
in the
Catskill
mountains,
and
extend
south and west under the
Carboniferous
formation.
See the
Diagram
under
Geology..
Dynamical
::
Dynamical
(a.)
Relating
to
physical
forces,
effects,
or laws; as,
dynamical
geology..
Geology
::
Geology
(n.) A
treatise
on the
science.
Geognosy
::
Geognosy
(n.) That part of
geology
which
treats
of the
materials
of the
earth's
structure,
and its
general
exterior
and
interior
constitution..
Salina Period
::
Salina
period
() The
period
in which the
American
Upper
Silurian
system,
containing
the
brine-producing
rocks of
central
New York, was
formed.
See the Chart of
Geology..
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