Question: 1. Figure 1 Shows Topography, Free-air Gravity Anomaly, And Bouguer Gravity Anomaly Maps For The Orientale Basin On The Moon. Explain What These Data Tell Us About The Moons Crust In This Location. (20 Marks) A Height (km) B Free-air (mGal) C Bouguer (Gal) 0° 0° 0 500 -500 -10°. -100 -10 -20°. -20° -20° 0 0 SIRR CORR -30° -30° -30°. CR -5 -500 …

1. Figure 1 shows topography, free-air gravity anomaly, and bouguer gravity anomaly maps for the Orientale Basin on the Moon. Explain what these data tell us about the moons crust in this location. (20 marks) A Height (km) B Free-air (mGal) C Bouguer (Gal) 0° 0° 0 500 -500 -10°. -100 -10 -20°. -20° -20° 0 0 SIRR CORR -30° -30° -30°. CR -5 -500 -40° -40. -40° -500 250° 260° 270° 280° 290° 250° 260° 270° 280° 290° 280° Figure 1 – topography and gravity anomaly maps of the Orientale Basin. 2. Interferometric synthetic-aperture radar (INSAR) has been used to monitor deformation at Atka volcano during October 2005 (Figure 2). Each colour fringe represents 2.0 cm. Explain what this image is showing. (20 marks) 20051017- 20061002 (a) Korovin Kliuchef Akta caldera 5 km Figure 2 – Interferogram of Kilauea Volcano (USGS HVO) Page 1 of 2