Big Bend Conservancy
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March 14-15, '72 Sierra Madera Astronauts: Cernan, Schmitt, Parker, IrwinGeologists: Wilshire, Jackson, Morrison, Phinney, Freeman, Sutton,UlrichThis is an eroded impact structure in limestones and other sedimentary rocks. The exercise utilized a backroom withParker as CapCom and Irwin acted as one of the scientists. There was one walking and one riding traverse bothof which started near the crater rim and proceeded towards the central peak.Mar. 13: 1:00 pm: Logistics personnel go over traverses and plan for locations of their gear.Mar. 13: 8:00 pm: Briefing on nature of geology from aerial photos and problems that are suggested. All discussionof the geology emphasized that the mapped units are interpretations only and need to be verified or reinterpretedby the crew during the traverses. Also details of the logistics for all participants.Mar. 14: At 7:00 am radio and backroom personnel leave for backroom area and Grover crew leaves for LM site toerect LM and get Grover ready. At 7:20 am equipment personnel leave for LM site. Start four hour and 30minute exercise at 8:00 am with LM window description followed by sampling and photography at LM site.Crew started on riding traverse consisting of seven stations over 5 km to accomplish coring, trenching, sampling,raking, photography, special sampling, and descriptions. A radio debriefing followed the traverse. Ridethrough debriefing of the traverse with crew, observers, backroom personnel. Logistics personnel leave to setup sites for following day.Mar. 14: 8:00 pm: Briefing similar to previous night.Mar. 15: At 7:00 am radio and backroom personnel leave for backroom area. At 7:10 crew, observers, andequipment personnel leave for LM site. Start four hour and 10 minute EVA at 8:00 am with LM windowdescription followed by sampling and photography at LM site. Crew had walking traverse of eight stations overabout 2 km with similar tasks as previous day. A radio debriefing followed the traverse. Talk on the geology ofSierra Madera during lunch followed by two hour walk-through debriefing for crew, observers, backroompersonnel.
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