of smooth ropy and billowy forms associated with fluid lavas that flow easily, or of rough clinkery forms associated with stiff or viscous lavas that flow slowly and with great difficulty Pillow lavas - lava flow made up of pillow-like forms of meter-scale, formed when lava is erupted under water Distribution of Volcanic Activity - volcanoes are either found at plate margins, or at hot spots within plates, such as the Hawaiian hot spot Sedimentary rocks These rocks are formed in one of two ways and include surface processes of weathering, mass wasting, erosion and deposition , and the near-surface process of lithification following deposition and often involving compaction and cementation during burial Weathering at or near the earth's surface controls the derivation of sedimentary particles.
(billowy forms; associated; with fluid lavas) (fluid lavas; flow easily; ) (lava; is erupted; L:under water Distribution of Volcanic Activity - volcanoes) (rough clinkery forms; associated; with stiff or viscous lavas) (stiff or viscous lavas; flow slowly; )
billowy forms fluid lavas lava rough clinkery forms stiff or viscous lavas
associated flow easily is erupted associated flow slowly
with fluid lavas
L:under water Distribution of Volcanic Activity - volcanoes
with stiff or viscous lavas