Skandapurana 16.361.2

16.361.2

nāḍyaikayā mṛkaṇḍastu dhyānayogādvarānane ..
tatraiva sthāpitaṃ liṃgaṃ mārkaṃḍeśvaranāmataḥ ..
sarvapāpopaśamanaṃ darśanātpūjanādapi .. 2 ..

Through the yoga of meditation, Mṛkaṇḍu [attained perfection] in a single hour, O lovely-faced lady;
right there the liṅga was installed under the name Mārkaṇḍeśvara,
which appeases all sins merely by darśana and worship.