amygdaloid

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Related to amygdaloidal: trachytic, spherulitic, Amygdules

a·myg·da·loid

(ă-mig'dă-loyd),
Resembling an almond or a tonsil.
[amygdala + G. eidos, appearance]

amygdaloid

/amyg·da·loid/ (ah-mig´dah-loid) resembling an almond, or tonsil.

amygdaloid

(ə-mĭg′də-loid′)
n.
A volcanic rock containing many amygdules.
adj. also amygdaloidal (-loi′dl)
1. Shaped like an almond.
2. Anatomy Of or relating to the amygdala.
3. Resembling a volcanic rock that contains many amygdules.

amygdaloid

[-dəloid]
resembling a tonsil.

a·myg·da·loid

(ă-mig'dă-loyd)
Resembling an almond or a tonsil.
[amygdala + G. eidos, appearance]

amygdaloid

1. Almond shaped.
2. Relating to the AMYGDALA.

a·myg·da·loid

(ă-mig'dă-loyd)
Resembling an almond or a tonsil.
[amygdala + G. eidos, appearance]
References in periodicals archive ?
Lavas are commonly amygdaloidal and/or microporphyritic with phenocrysts of feldspar and, more rarely, pyroxene or quartz, set in a glassy to microcrystalline groundmass.
This sample is amygdaloidal and fine grained, with about 10-15% mesostasis that is intergranular to matrix plagioclase and clinopyroxene (Fig.
Amygdaloidal basalt flows have amygdale fillings principally of celadonite and silica minerals, with minor amounts of zeolite.
Recently, PDUS re-logged the cuttings in PRH0508 and despite an initial determination that the hole intersected lower plate, amygdaloidal textures in the cuttings suggest volcanic greenstone is present in several intervals down to the bottom of the hole.
The Eastport Formation in New Brunswick comprises amygdaloidal mafic flows and agglomerate, massive to flow-banded felsic flows, welded and non-welded lapilli tuff, pisolitic tuff, peperitic breccia, and grey to maroon sandstone and conglomerate totalling ~4000 m (Hay 1967; Pickerill and Pajari 1976; Pickerill et al.
The Las Animas structure has epiclastic sediments overlying an amygdaloidal andesite on the footwall and epiclastic sediments on the hanging wall.
The top few metres are often amygdaloidal and mafic pegmatites locally occur with felsic layers ([less than or equal to]2-3 cm).