Science Quiz / WJEC A2 Geology Quiz

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Can you answer these A2 geology questions?

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

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