- forminifera
- a protozoan, microscopic shellfish which proliferates in warm marine environments and whose sedimentation leads eventually to the formation of chalk.
Geography Dictionary & Glossary for Students \\ ITS Tutorial School (ITS) - Hong Kong.
Geography Dictionary & Glossary for Students \\ ITS Tutorial School (ITS) - Hong Kong.
Isotope ratio mass spectrometry — Infobox chemical analysis name = Isotope ratio mass spectrometry caption =Isotope ratio mass spectrometer with gas bench in foreground acronym = IRMS classification =mass spectrometry analytes = manufacturers = related = Accelerator mass… … Wikipedia
Isotope-ratio mass spectrometry — Isotope ratio mass spectrometer with gas bench in foreground Acronym IRMS Classification mass spectrometry Other techniques … Wikipedia
Charles R. Stelck — Charles Richard Stelck, OC, FRSC (born 1917) is an award winning Canadian petroleum geologist, paleontologist, stratigrapher and emeritus professor. His research has yielded many large oil and gas finds in western Canada. Stelck was born in… … Wikipedia
Discovery Investigations — The Discovery Investigations were a series of scientific cruises and shore based investigations into the biology of whales in the Southern Ocean. They were funded by the British Colonial Office and organised by the Discovery Committee in London,… … Wikipedia
tusk shell — ▪ mollusk also called elephant s tusk, elephant s tooth , or tooth shell any of several marine mollusks of the class Scaphopoda. There are four genera of tusk shells (Dentalium is typical and most common) and more than 350 species. Most … Universalium