Packet 7: Bonus 17
Fringe theorists have surmised that the circular rings of this feature were evidence of a lost civilization because the shape matches Plato’s description of Atlantis. For 10 points each:
[10m] Name this geological dome in the Adrār near the town of Chinguetti. This feature’s concentric circles were actually formed by an igneous intrusion deforming other layers of rock and not Atlantean technology.
ANSWER: Richat (“REE-shat”) Structure [or the Eye of the Sahara or the Eye of Africa; accept Guelb er Richât or Qalb ar-Rīšāt; accept the Tagense]
[10e] The Richat Structure is located in this country in the southwestern end of the Sahara. The Senegal River separates Senegal from this country, which also borders the disputed territory of Western Sahara.
ANSWER: Mauritania [or the Islamic Republic of Mauritania; accept al-Jumhūriyyah al-Islāmiyyah al-Mūrītāniyyah]
[10h] The Richat Structure is part of this plateau in Mauritania, which separates its remote north from the more populated south of the country. The town of Atar and the ancient center of Chinguetti are in this plateau.
ANSWER: Adrar Plateau
<EC, Geography> | NAFTA-Packet-7
| Heard | PPB | E % | M % | H % |
|---|---|---|---|---|
| 8 | 7.50 | 50% | 25% | 0% |
Conversion
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total | Parts |
|---|---|---|---|---|---|---|
| Maryland F♯ A♯ ∞ | Rosslyn Academic Team | 0 | 10 | 0 | 10 | E |
| Mike and Psmith | Penn State | 0 | 0 | 0 | 0 | |
| Munir Siddiqui Fan Club | JHU | 10 | 10 | 0 | 20 | ME |
| UNC Charity | Contessa Dora | 0 | 10 | 0 | 10 | E |
| https://i.imgur.com/C6nN2FE.png | Catholic University A | 0 | 0 | 0 | 0 |
Summary
| Tournament | Edition | Match | Heard | PPB | E % | M % | H % |
|---|---|---|---|---|---|---|---|
| 2025 NAFTA at Toronto | 09/13/2025 | ✕ | 5 | 20.00 | 100% | 60% | 40% |
| 2025 NAFTA at Maryland | 09/27/2025 | ✓ | 5 | 8.00 | 60% | 20% | 0% |
| 2025 NAFTA at Harvard | 10/04/2025 | ✓ | 3 | 6.67 | 33% | 33% | 0% |
| 2025 NAFTA at Chicago | 11/08/2025 | ✕ | 1 | 20.00 | 100% | 100% | 0% |