Angel Garlant Mentor: Dr. Lisa Gaddis.   Volcanic material  Low albedo  Smooth, rough, blocky  To name a few:  Atlas  Alphonsus  J. Herschel 

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Presentation transcript:

Angel Garlant Mentor: Dr. Lisa Gaddis

  Volcanic material  Low albedo  Smooth, rough, blocky  To name a few:  Atlas  Alphonsus  J. Herschel  Volcanic source vents  Floor fractures  Craters Pyroclastic Deposits

  Strombolian  Typically low silica content  Bubbles  Vulcanian  Higher presence of silica  Caprock  Intermittent Volcanism

  Georeferencing  ArcGIS  Crater Measurements  ArcGIS  ISIS  Excel  Modeling  Excel Methods

 Magma Fagents & Wilson (1993)

 Ejection Fagents & Wilson (1993)

 Trajectory

  ArcCatalog  Assign coordinate system to images  ArcMap  Import images  Create tie points to relocate images to a different point  Allows for easier viewing ArcGIS

 ISIS  Craters are measured  Screenshots are taken to keep track of which craters have been measured  Can also be used to create a mosaic

  Used for entering data and doing computations  Crater measurements are entered  Average diameter  Rim height  Use ArcMap to locate coordinates of crater  Modeling is done  Initial conditions (pressure, gas content, etc.)  Range of pyroclasts Excel

 J Herschel Crater

 Major Deposit

  70% olivine  30% pyroxene  165 km diameter  Area: 60 km by 35 km Characteristics

  Develop an isopach map  Use model to run a simulation  Develop a general model  Are pyroclastic deposits from different areas erupted by different means  How do they differ Goals

 Questions?

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