When Perseus, Medusa’s head in hand,
Returned triumphant from the Gorgon’s isle,
He sold himself as hero of the land,
No stony witnesses could cramp his style.
When older larger monsters were destroyed,
No Greek boast twisted dinosaurs’ last stand.
To know the source of mammals’ schadenfreude,
Interrogate the Gorgon
Island’s sand.
A spherule bed is present in the rock
Old microtektites still containing glass
The argon age is Chicxulub’s great shock,
American ejecta cumulates en masse.
Thus impact-based
extinction we construe.
With mythic
monsters vanquished, ferns regrew.
Other geosonnets: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
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