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Lavas may preserve a flow foliation, or even compressed eutaxitic texture, typically in highly viscous felsic agglomerate, welded tuff and pyroclastic surge deposits. Metamorphic differentiation, typical of gneisses , is caused by chemical and compositional banding within the metamorphic rock mass.
Leaf of Pyrus calleryana with petiole. In botany, the petiole (/ ˈ p iː t i. oʊ l /) is the stalk that attaches the leaf blade to the stem. [1]: 87 [2]: 171 It is able to twist the leaf to face the sun, producing a characteristic foliage arrangement (spacing of blades), and also optimizing its exposure to sunlight.
baa; baaing; baal; babas; babble; babbled; babbler; babblers; babbles; babbling; babe; babel; babes; babies; baboon; baboons; baby; baby-sitter; babyface; babyhood ...