English to Polish Art/Literary Tourism & Travel

It went off thirty minutes after the first. Instead of petrol, coal had
been packed around the bomb. I can’t imagine what effect coal would
have had in the explosion itself but, even decades later, it makes the blast
somehow tangible – gives the killing a mineral ferocity.

Ostatni fragment z którym zmagam się z książki podróżniczej. Chodzi mi o zdanie: "I can’t imagine what effect coal would have had in the explosion itself but, even decades later, it makes the blast somehow tangible – gives the killing a mineral ferocity".

Dziękuję za każdą pomoc.