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pseudoconglomerate
pseudoconglomerate n. 
/ˌs(j)uːdə(ʊ)kəŋˈɡlɒmərət/,
Brit. /ˌs(j)uːdə(ʊ)kənˈɡlɒmərət/
, /ˌs(j)uːdə(ʊ)kənˈɡlɒmərət//ˌs(j)uːdə(ʊ)kəŋˈɡlɒmərət/U.S. /ˌsudoʊkənˈɡlɑm(ə)rət/
Geology a rock resembling a conglomerate but formed by a process other than sedimentary deposition (see quot. 1972)./ˌsudoʊkənˈɡlɑm(ə)rət/ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > composite rock > [noun] > aggregate
aggregate1784
pseudoconglomerate1849
1849 J. D. Dana U.S. Exploring Exped.: Geol. iii. 243 A jetting of scoria, which has formed a pseudo-conglomerate.
1957 F. J. Pettijohn Sedimentary Rocks (ed. 2) viii. 367 (caption) Brecciated siltstone... Brecciation was contemporaneous with sedimentation; a pseudoconglomerate.
1972 Gloss. Geol. (Amer. Geol. Inst.) 574/1 Pseudoconglomerate, a rock that resembles, or may easily be mistaken for, a true or normal (sedimentary) conglomerate; e.g...a sandstone packed with many rounded concretionary bodies, or an aggregate of rounded boulders produced in place by spheroidal weathering and surrounded by clayey material.
1999 Jrnl. Paleontol. 73 746/2 Disturbance..soon after deposition may have been even more frequent.., with carbonates containing abundant intrastratal pseudoconglomerate formed by displacement of early diagenetic nodules within a fluidized matrix.
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