Haystack Catena

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Haystack Catena
Feature type Catena
Coordinates 4°42′N 46°12′W / 4.7°N 46.2°W / 4.7; -46.2Coordinates: 4°42′N 46°12′W / 4.7°N 46.2°W / 4.7; -46.2
Eponym Haystack Observatory

Haystack Catena (Haystack Vallis until March 2013) is a catena at 4.7° N, 46.2° W on Mercury. It superficially resembles a graben but is a chain of overlapping secondary craters.[1] It was named after Haystack Observatory.


  1. ^ H-6 text_all.word Archived November 2, 2004, at the Wayback Machine.