Lithophysa - Wikipedia
A lithophysa (plural lithophysae, from Greek lithos "stone" + physan "to blow") [1] is a felsic volcanic rock with a spherulitic structure and interior cavity with concentric chambers. Its outer …
Lithophysa Definition & Meaning - Merriam-Webster
The meaning of LITHOPHYSA is a spherulitic cavity often with concentric chambers that is observed in some rhyolitic lavas.
lithophysa, n. meanings, etymology and more - Oxford English …
What does the noun lithophysa mean? There is one meaning in OED's entry for the noun lithophysa . See ‘Meaning & use’ for definition, usage, and quotation evidence.
Lithophysa - mindat.org
A lithophysa (plural lithophysae, from Greek lithos "stone" + physan "to blow") is a felsic volcanic rock with a small spherulitic cavity and concentric chambers. Its shape is spherical or …
What Are Lithophysae and How Do They Form | Earth Know
2024年4月25日 · Lithophysae (singular lithophysa) are roughly spherical to lenticular-shaped structures with onion-like shells and a hollow center. These structures, which occur primarily in …
Getting sphere-ious about spherulites | U.S. Geological Survey - USGS.gov
2023年9月13日 · In some cases, when a spheruloid develops one or more void spaces during its growth, it is known as a lithophysa, from Greek "lithos" and "physan" (to blow). Spherulites can …
PETROGRAPHICAL CHARACTER - U.S. National Park Service
2009年6月22日 · A fine example of a lithophysa is shown on a natural scale in Pl. XIII, Fig. 1. The rose-like center is surrounded by delicate shells. Those outer portions to the right and left …
Stone bubble | geology | Britannica
Lithophysae, also known as stone bubbles, consist of concentric shells of finely crystalline alkali feldspar separated by empty spaces; thus, they resemble an onion or a newly blooming rose. …
Spherulites and lithophysae—200 years of investigation on high ...
2013年4月3日 · HTCDs that develop one or more cavities during their formation are called lithophysae. This study concentrates on lithophysae because they form the same way as …
Geochemistry and formation of agate-bearing lithophysae in …
2023年8月22日 · In this study, we performed an integrated mineralogical and geochemical approach to characterize agate-bearing lithophysae from different locations within the …