Science Quiz / WJEC A2 Geology Quiz

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Can you answer these A2 geology questions?

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

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