fissured
adjective
[ ˈfɪʃəd ]
• having long, narrow cracks or openings.
• "low cliffs of fissured Silurian rock"
fissure
verb
• split or crack (something) to form a long, narrow opening.
• "the dry years had cracked and fissured the cliffs"
Origin:
late Middle English: from Old French, or from Latin fissura, from findere ‘to split’.