clastic rock

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Related to Clastic sediment: clast
  • noun

Words related to clastic rock

(geology) a rock composed of broken pieces of older rocks

References in periodicals archive ?
The layered sequence preserved in between the formal floors is an overlapping mixture of loose and compacted material (unburnt tufa, clastic sediment and domestic refuse: see Table 1 for summary).
Quartz, feldspars and rock fragments (lithic fragments) play an important role in the determination of provenance of clastic sediments.
1986), sand grains and other clastic sediments associated with this contact are not evidence of intra-Silurian unconformity but rather of pre-Middle Devonian karst.
Charles to Kansas City, crossing notable karst in Ordovician and Mississippian carbonate rocks, into Pennsylvanian strata that is primarily clastic sediments with few karst features.
Following the opening of the South Atlantic, vast quantities of clastic sediments were poured into the delta giving rise to three main rock units which are partially time equivalents and were deposited as prograded wedges.
5 minute topographic quadrangle shows that the Defiance moraine is composed of a stratified monoclinal sequence of Upper Pleistocene clastic sediments divisible, in ascending order, into three informal units: (1) interbedded alluvium and diamicton; (2) diamicton; and (3) alluvium.
1971) recognises 2 principal units in these sediments: deposits of coarse clastic sediments and limestone.
We know from studies of orogenic belts on land that they contain large volumes of highly disrupted and deformed clastic sediments (mostly turbidites) with minor amounts of apparently interlayered basalts, cherts, and tuffs.
Three reservoir systems are present in the basin with fair to good reservoir parameters (both clastic sediments and carbonates)
After the opening of the South Atlantic, vast quantities of clastic sediments poured into the delta giving rise to three main rock units which are partially time equivalents and deposited as pro-graded wedges.
At the base of the Endrod (5075m), Falcon management elected to continue drilling to explore and investigate the possibility of coarse-grained clastic sediments in the bottom of the basin.
Until the early 1990s, little was known of the pre-Permian section but it was already supposed that clastic sediments were better represented than they were in the younger section.
Depositional mechanisms from the size analysis of clastic sediments.
This zone consists of both a calc-silicate skarn system as well as chalcedonic and quartz veining with arsenopyrite and pyrhhotite in coarse clastic sediments.