article_snippet.sent: But the imprinted rock was once horizontal before being pushed upwards by tectonic activity.
article_snippet.sent: This activity thrust a huge slab of earth upwards, which dried into limestone and now resembles a cliff face.
article_snippet.sent: The imprinted rock was pushed upwards by tectonic activity, thrusting a huge slab of earth upwards, which dried into limestone and now resembles a cliff face (pictured)
highlights_snippet.sent: Rock was pushed upwards by tectonic movement, standing 390 feet tall .
  