Science Quiz / WJEC A2 Geology Quiz

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Can you answer these A2 geology questions?

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AnswerQuestion
 An environment of deposition characterised by the sediment deposited and fossils present is referred to as?
 A plane of constant metamorphic grade which separates metamorphic zones of different index minerals in known as an?
 What type of metamorphism has high temperature and high pressure?
 The area between 2 isograds is called a?
 Vagrant refers to an animal that?
 Benthic refers to an animal that?
 What magma is generated at convergent continental continental plate margins?
 Why is Foraminifera used in the oil industry?
 Metasomatism often affects which rock?
 Crystals are usually denser than the liquid they are suspended in, so will settle out.. this is called?
 Why is the fossil record biased?
 Infaunal refers to a Brachiopod doing what?
 A sedimentary rock with 15% mud is a?
 Stress is defined as what?
 What is Eccentricity?
 Iron rich soils are commonly known as what?
 Name 3 pieces of evidence for the K-T extinction.
 Which fossils provide evidence for different climatic zones?
 Deposits from glacial lakes with light and dark bands are known as?
 % of Silica in Ultrabasic rocks;
 What time periods were Ceratites around in?
 What is influencing past and present global climate?
 What does Eccentricity do?
 What type of metamorphism has low temperature but high pressure?
 The process by which the magma evolves into different compositions is called?
 Name 3 causes of the K-T extinction.
 What type of metamorphism has high temperature but low pressure?
 Metamorphism occurs between what temperature? (degrees)
 Name the 4 controls on weathering.
 What type of physical weathering occurs in areas over 30 degrees?
 How is basaltic magma produced?
 A rock made up of only Augite and Olivine is called?
 When equilibrium is not maintained, what feature forms?
 What term refers to long periods of statis followed by a rapid change?
 I am a microscopic animal and composed of CaCO3, what am I?
 What does Obliquity do?
 Typical minerals in a Ultrabasic rock e.g. Peridotite;
AnswerQuestion
 Metamorphism occurs above what amount of pressure?
 Which oxygen isotope is locked in marine shells during glaciation?
 Typical minerals in a Basic rock e.g Gabbro;
 Why is the fossil record incomplete?
 A medium grained >1mm sediment e.g. Sandstone is also known as what?
 % of Silica in Silicic rocks;
 Which oxygen isotope evaporates in warm climates?
 Sediment with large, angular and poorly sorted grains are referred to as?
 What term refers to horizontal displacement of a fault?
 How is granitic magma produced?
 A fine grained sediment e.g. mudstone is called what?
 True dip is the what?
 On a normal fault, where is Pmin?
 Epifaunal refers to a Brachiopod being?
 When does deposition occur?
 During glaciation, which oxygen isotope is locked in ice?
 What magma is generated at divergent plate margins?
 What rock forms in the Bouma Cycle?
 The process which carries sand mostly in suspension is called..?
 Eccentricity occurs every how many years?
 Precession occurs every how many years?
 What evidence can be used to determine if a bed has been overturned?
 What term refers to vertical displacement of a fault?
 On a reverse fault, where is Pmin?
 On a reverse fault, where is Pmax?
 What is obliquity?
 What term describes the relative temperature and pressure conditions under which metamorphic rocks form?
 What causes the magma in the magma chamber to rise?
 Where are island arcs formed?
 On a normal fault, where is Pmax?
 A sedimentary rock with 75% mud is a?
 What does Precession do?
 What type of physical weathering occurs in high mountain regions?
 Typical minerals in a Silicic rock e.g. Granite;
 What does the presence of water do to magma?
 I am a microscopic plant composed of organic material, what am I?
 The removal of material through weathering AND erosion is known as?
AnswerQuestion
 % of Silica in Basic rocks;
 What type of Granite forms when it rises up and intrudes into the country rock?
 A sedimentary rock with 25% feldspar is an?
 What term refers to a slow genetic change?
 What time periods were Goniatites around in?
 A coarse grained >2mm sediment e.g. Conglomerate is also known as?
 How is andesitic magma produced?
 Typical minerals in a Intermediate rock e.g Diorite;
 An anticline is when the oldest rocks are where?
 Rocks often have more of what mineral after transportation?
 A sedimentary rock with 75% quartz is a?
 Bowen's continuous reaction series applies to?
 Strain is defined as what?
 What magma is generated at convergent oceanic oceanic or oceanic continental plate margins?
 What time periods were Ammonites around in?
 Snowball earth is when what?
 What sedimentary structures are formed in the Bouma Cycle?
 Obliquity occurs every how many years?
 What evidence is there for snowball earth?
 The reaction between volitiles and the country rock in the aureole is known as?
 Necktonic refers to an animal that?
 What is precession?
 What was the Cambrian explosion?
 What caused changes in atmospheric composition e.g. CO2?
 Sediment with small, well rounded and well sorted grains are referred to as?
 In a recumbent fold, the axis is what?
 Once molten glass droplets are also known as?
 A syncline is when the youngest rocks are where?
 Rocks often have less of what mineral after transportation?
 % of Silica in Intermediate rocks;
 What type of Granite forms during mountain building phases 'in situ'?
 Ash/volcanic deposits or wind blown particles are know as?
 I am a microscopic plant and composed of CaCO3, what am I?
 During glaciation, the oxygen in the sea water has relatively more of which isotope?
 Beds at the bottom of a series are older than the beds at the top. This is known as the Law of ....?

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