borings

borings
钻孔碎屑

English-Chinese geology dictionary (英汉地质大词典). 2013.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Trace fossil — Chirotherium footprints in a Triassic sandstone …   Wikipedia

  • Cloudinid — Cloudina Temporal range: Ediacaran Scientific classification Kingdom: Animalia Phylum …   Wikipedia

  • tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

  • Osprioneides — Temporal range: Silurian …   Wikipedia

  • Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating …   Wikipedia

  • Small shelly fauna — The small shelly fauna or small shelly fossils, abbreviated to SSF, are mineralized fossils, many only a few millimetres long, with a nearly continuous record from the latest stages of the Ediacaran to the end of the Early Cambrian period. They… …   Wikipedia

  • Matanuska Formation — Stratigraphic range: Late Cretaceous Type Geological formation Location Region North America The Matanuska Formation consists of more than 3 km (1.9 mi) of sedimentary strata e …   Wikipedia

  • Cretaceous — Period 145.5–65.5 million years ago …   Wikipedia

  • Ordovician — Period 488.3–443.7 million years ago …   Wikipedia

  • Exoskeleton — The discarded exoskeleton of a dragonfly nymph An exoskeleton is the external skeleton that supports and protects an animal s body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. In popular usage, some of the larger …   Wikipedia

  • Geotechnical investigation — Geotechnical investigations are performed by geotechnical engineers or engineering geologists to obtain information on the physical properties of soil and rock around a site to design earthworks and foundations for proposed structures and for… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”