amygdaloidal


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Related to amygdaloidal: trachytic, spherulitic, Amygdules

a·myg·da·loid

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

[Latin amygdala, almond; see amygdala + -oid.]

amygdaloidal

(əˌmɪɡdəˈlɔɪdəl)
adj
1. (Geological Science) (of a volcanic rock) containing amygdales
2. (Geological Science) a less common form of amygdaloid2
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.amygdaloidal - shaped like an almondamygdaloidal - shaped like an almond    
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
References in periodicals archive ?
Most mineralisation is hosted by pillow-textured, subaqueous amygdaloidal basalt that is up to 130 m thick.
The mafic volcanic member comprises light grey, commonly bleached, highly amygdaloidal basalt flows and grey green, basaltic lithic tuff dominated by coarse mafic volcanic lapilli.
siliquaria occurs as amygdaloidal mounds, which are 3-4 mm wide and 7-8 mm long, up to 2-3 mm high, pointed on both sides, with a median longitudinal keel.
Its effects begin when the aromatic molecule passes through the nasal cavity and adheres to the olfactory epithelium, causing nerve stimulation directly to the hippocampus and limbic amygdaloidal body.
An orange brown secondary material, probably after olivine and amygdaloidal carbonate filling are the secondary phases.
Excavated in dense to soft medium-grained amygdaloidal basalt (3) about 500 metres above sea level, Kanheri, with more than 110 excavations, is one of the largest enclaves in the country.
The five stages in the paragenetic sequence can be seen in the four zones within the Fanwood quarry's amygdaloidal horizons.
The amygdaloidal structures are very rare (sample no.
Hollabaugh 9:00 SEDIMENTATION IN VESICLES; INTERPRETATION OF GEOPETAL FABRICS IN AMYGDALOIDAL AGATES**, Jake L.
Conditions favouring zeolitization occurred in a terrestrial lava flow of amygdaloidal trachyandesite, which belongs among volcanic products of the Ceske stfedohofi Mts.