Definition of primitive rocks. Meaning of primitive rocks. Synonyms of primitive rocks
Here you will find one or more explanations in English for the word primitive rocks. Also in the bottom left of the page several parts of wikipedia pages related to the word primitive rocks and, of course, primitive rocks synonyms and on the right images related to the word primitive rocks.
Definition of primitive rocks
primitive rocksPrimary Pri"ma*ry, a. [L. primarius, fr. primus first: cf. F.
primaire. See Prime, a., and cf. Premier, Primero.]
1. First in order of time or development or in intention;
primitive; fundamental; original.
The church of Christ, in its primary institution.
These I call original, or primary, qualities of
2. First in order, as being preparatory to something higher;
as, primary assemblies; primary schools.
3. First in dignity or importance; chief; principal; as,
primary planets; a matter of primary importance.
4. (Geol.) Earliest formed; fundamental.
5. (Chem.) Illustrating, possessing, or characterized by,
some quality or property in the first degree; having
undergone the first stage of substitution or replacement.
Primary alcohol (Organic Chem.), any alcohol which possess
the group CH2.OH, and can be oxidized so as to form a
corresponding aldehyde and acid having the same number of
carbon atoms; -- distinguished from secondary & tertiary
Primary amine (Chem.), an amine containing the amido group,
or a derivative of ammonia in which only one atom of
hydrogen has been replaced by a basic radical; --
distinguished from secondary & tertiary amines.
Primary amputation (Surg.), an amputation for injury
performed as soon as the shock due to the injury has
passed away, and before symptoms of inflammation
Primary axis (Bot.), the main stalk which bears a whole
cluster of flowers.
Primary colors. See under Color.
Primary meeting, a meeting of citizens at which the first
steps are taken towards the nomination of candidates, etc.
Primary pinna (Bot.), one of those portions of a compound
leaf or frond which branch off directly from the main
rhachis or stem, whether simple or compounded.
Primary planets. (Astron.) See the Note under Planet.
Primary qualities of bodies, such are essential to and
inseparable from them.
Primary quills (Zo["o]l.), the largest feathers of the wing
of a bird; primaries.
Primary rocks (Geol.), a term early used for rocks supposed
to have been first formed, being crystalline and
containing no organic remains, as granite, gneiss, etc.;
-- called also primitive rocks. The terms Secondary,
Tertiary, and Quaternary rocks have also been used in like
manner, but of these the last two only are now in use.
Primary salt (Chem.), a salt derived from a polybasic acid
in which only one acid hydrogen atom has been replaced by
a base or basic radical.
Primary syphilis (Med.), the initial stage of syphilis,
including the period from the development of the original
lesion or chancre to the first manifestation of symptoms
indicative of general constitutional infection.
Primary union (Surg.), union without suppuration; union by
the first intention. Primitive rocksPrimitive Prim"i*tive, a. [L. primitivus, fr. primus the
first: cf. F. primitif. See Prime, a.]
1. Of or pertaining to the beginning or origin, or to early
times; original; primordial; primeval; first; as,
primitive innocence; the primitive church. ``Our primitive
great sire.' --Milton.
2. Of or pertaining to a former time; old-fashioned;
characterized by simplicity; as, a primitive style of
3. Original; primary; radical; not derived; as, primitive
verb in grammar.
Primitive axes of co["o]rdinate (Geom.), that system of
axes to which the points of a magnitude are first
referred, with reference to a second set or system, to
which they are afterward referred.
Primitive chord (Mus.), that chord, the lowest note of
which is of the same literal denomination as the
fundamental base of the harmony; -- opposed to derivative.
--Moore (Encyc. of Music).
Primitive circle (Spherical Projection), the circle cut
from the sphere to be projected, by the primitive plane.
Primitive colors (Paint.), primary colors. See under
Primitive Fathers (Eccl.), the acknowledged Christian
writers who flourished before the Council of Nice, A. D.
Primitive groove (Anat.), a depression or groove in the
epiblast of the primitive streak. It is not connected with
the medullary groove, which appears later and in front of
Primitive plane (Spherical Projection), the plane upon
which the projections are made, generally coinciding with
some principal circle of the sphere, as the equator or a
Primitive rocks (Geol.), primary rocks. See under
Primitive sheath. (Anat.) See Neurilemma.
Primitive streak or trace (Anat.), an opaque and
thickened band where the mesoblast first appears in the
Syn: First; original; radical; pristine; ancient; primeval;
Meaning of primitive rocks from wikipedia
- System. Primitive rocks
on the surfaces
of many asteroids, and the majority
are primitive rocks
." An example
of a primitive
to lithium compositions
from continental crust
and primitive rocks similar
to the Earth's mantle, they found evidence
that the young
- as granite, gneiss, etc.; – called
also primitive rocks
. The terms
Secondary, Tertiary, and Quaternary rocks
have also been used in like manner, but of...
to the primitive
mantle. Volcanic rocks
from hotspot areas often
have a primitive
and muscovite. While still dominated
by silicates, more primitive volcanic rocks
****emblages with less silica, such as olivine
- high). Typically, primitive melts
of this composition
form lamprophyre, lamproite, kimberlite
nepheline-bearing mafic rocks
such as alkali...
- s**** are not common
in the main whale-bearing rocks
, but are very common
in other rocks
; many fallen rocks
can be seen to be full of a wide variety
melt or a primitive
melt, and identifying whether
out ****ulate minerals
is equally important
even for rocks which carry
iguanodonts. They are known
Jur****ic to Early Cretaceous rocks
of Africa, Europe, and North
- the product
of a distillation
from great depth
from the primitive rocks beneath which
of all volcanic action
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