Course Ref. Number: 13329- Room: N938 -T: 2:30PM-5:15PM (Question 1-8) Direction
ID: 119272 • Letter: C
Question
Course Ref. Number: 13329- Room: N938 -T: 2:30PM-5:15PM (Question 1-8) Directions: Match definitions with terms found in the provided word bank (Page 1), answers must be legible. (1 Point Each) Word Term Bank Absolute/Numerical Geologic Ages Half-Life Angular unconformity Cross-Stratification Daughter Decay Constant Disconformity Eras Epochs Eons Fossils Geologic Time Scale Principle of Fossil Succession Principle of Inclusions Principle of Original Horizontality Principle of Original Lateral Continuity Principle of Superposition Radioactive sotopes Mass Numbers Mud Cracks Oscillation Ripple Marks Parent Periods Precambria Principle of Cross-Cutting Relations Unconformity Principle of Fossil Assemblages Relative Ages Relative Geologic Age Relative Sequence Definitions: 1. Characteristic groups of fossil organisms also define unique geologic ages are known as loge 2. Fossil organisms succeed one another in time in a definite and recognizable order is known as 3. Geologists now are able to determine quite precisely the dates, or 4. For centuries, geologists have determined the otice scaven of different 5. The Absalule Numcrical nocS subdivides Earth's history into unequal intervals Celativc aroloaic ag of many types of geologic events. events using simple observational techniques based on distinctive fossil assemblages and globally important geologic features, such as Eeologic widespread unconformities. antwhich is directly related to the half-life, describes 6. The the proportion of a starting mass of a given isotope that will decay away in a year. that is their nuclei rad ioactive 7. Some isotopes of elements are spontaneously break down or decay s. Mud caCKS fom when mad dries and shrinks in crossetion, e 1 1/07/2017 cracks are wider at the top than at the bottom. 1 I PageExplanation / Answer
answer 1: Index fossil
answer 2: Biostratigraphy ( based on the principal of fossil succession)
answer 3: absolute age
answer 4 : relative age
answer 5: relative dating
answer 6: decay constant
answer 7: radioactive
answer 8: Mudcracks
answer 9: principal of horizontality
answer 10 principal of inclusion
answer 11 principal of cross cutting