Dolerite vs Granite | Could Ancient Egyptians carve obelisks?

Scientists Against Myths
Scientists Against Myths
30.2 هزار بار بازدید - 3 سال پیش - What does it take to
What does it take to work granite with a stone hammer? Let’s experiment! We have tried working granite with dolerite hammers, just like those used by the Ancient Egyptians – watch the video to see the result!

Want us to do more experimental archaeology?
Then consider supporting us on Patreon ► Patreon: antropogenez_world
Subscribe to our channel ► https://clck.ru/Jnmvo

Experiment location and date: outer Moscow, 5 October 2019
Team:
- Oleg Krugliakov rekhmire.ru
- Nikolay Vasiutin
- ‪@Senmuth‬
- Pavel Selivanov
- Alexander Sokolov
- Valeriy Mikhailov

Specific weight of granites – around 2,700 kg/m3
Specific weight of basalts, dolerites, gabbro-dolerites - around 3000 kg/m3
Small dolerite hammer efficiency working granite:
600 g/hr =222 cm3/hr
Dolerite rambling from small hammer:
249 g/hr =83 cm3/hr
Large dolerite hammer efficiency working granite:
840 g/hr = 311 cm3/hr
Dolerite rambling from large hammer:
229 g/hr = 73 cm3/hr

Filmed by Aleksander Zakharchenko
Edited by Kseniya Ablez
English voiceover: Dmitry Oliferovich
English translation: Maria Protopopova
Music by Spring Thaw - Asher Fulero, Belief - Silent Partner
We would like to thank Valeriy Mikhailov for his hospitality

Sources and extras:
Oleg Krugliakov’s article on the experiment:
https://vk.com/@chtomoglidrevnie-drob...
Oleg Krugliakov’s article ‘Crushing Dolerite’
https://vk.com/@chtomoglidrevnie-drob...
"Digging Up at the Bottom of the Nile" documentary
Video
Crushing granite with granite (experiment):
Как древние египтяне дробили гранит: ...
Our visit to the Aswan quarries:
Асуанский обелиск: незаконченный и за...

===============
Contact: [email protected]
Skype: ya-kudzo
Become a Patron: Patreon: antropogenez_world
3 سال پیش در تاریخ 1400/02/29 منتشر شده است.
30,202 بـار بازدید شده
... بیشتر