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Tephrochronology: Quiz


Question 1: ka BP,[6] the microtephra horizons of equivalent geochemistry from southern ________, dated at 13,900 Cariaco varve yrs BP[7] and from northwest Scotland, dated at 13.6 cal.

Question 2: It has also revealed previously undetected ash layers, such as the Borrobol Tephra first discovered in northern ________, dated to ca.
WalesUnited KingdomScotlandEngland

Question 3: The main advantages of the technique are that the ________ layers can be relatively easily identified in many sediments and that the tephra layers are deposited relatively instantaneously over a wide spatial area.
StratovolcanoVolcanoMount TamboraVolcanic ash

Question 4: laser ablation ________) to measure trace-element abundances in individual tephra shards.
Ion sourceMass spectrometryInductively coupled plasma mass spectrometryGas chromatography-mass spectrometry

Question 5: Turney (________, Belfast; now University of Exeter) and others for extracting tephra horizons invisible to the naked eye ("cryptotephra")[5] have revolutionised the application of tephrochronology.
Queen's University BelfastUniversity College LondonHeriot-Watt UniversityOpen University

Question 6: It has led to the first discovery of the Vedde ash on the mainland of Britain, in Sweden, in the Netherlands, in the Swiss Lake Soppensee and in two sites on the ________ of Baltic Russia.
Viipuri ProvinceKarelian IsthmusContinuation WarFinland

Question 7: Tephrochronology is a geochronological technique that uses discrete layers of tephra—volcanic ash from a single eruption—to create a chronological framework in which paleoenvironmental or ________ records can be placed.
EngineeringArchaeologyCivil engineeringMining

Question 8: Major volcanoes which have been used in tephrochronological studies include Vesuvius, ________ and Santorini.


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