Macigno

Macigno Toscano is a sandstone soil formed from marine sediments deposited during the Eocene-Oligocene epochs, approximately 30-40 million years ago. The formation consists primarily of silica-quartz grains cemented by a calcareous matrix, with grain sizes ranging from fine sand to coarse gravel depending on the specific outcrop. Silica content typically falls between 60% and 75%, making Macigno a fundamentally different soil from Tuscany's two more famous wine soils (Galestro and Albarese), both of which are limestone-marl formations with carbonate content above 40%. The geological story is one of ancient marine deposition followed by Apennine orogenic uplift: Macigno strata were originally deposited on the seabed of the proto-Mediterranean, then folded and lifted during the Apennine mountain-building events of the Miocene and Pliocene epochs. The result is a sandstone bedrock that weathers slowly into well-drained, moderately fertile soils with good vine-root accessibility and balanced moisture properties.

• Sandstone formed from Eocene-Oligocene marine sediments (30-40 million years ago); uplifted during Apennine orogeny
• Silica-quartz grains cemented by calcareous matrix; silica content typically 60-75%, distinct from limestone-based Galestro and Albarese
• Grain sizes range from fine sand to coarse gravel depending on specific outcrop; good drainage and moderate water retention
• Weathers slowly into well-drained, moderately fertile soils with good vine-root accessibility

Macigno's wine geography centers on three Tuscan zones. Chianti Rufina DOCG, the smallest of the Chianti sub-zones at roughly 750 hectares, sits in the Sieve valley east of Florence at elevations between 200 and 500 metres. The Selvapiana, Frescobaldi (at Castello di Nipozzano and Castello di Pomino), and Frascole estates dominate the zone's reputation, producing Sangiovese-based wines noted for elegance, perfume, and exceptional longevity. Carmignano DOCG, west of Florence at roughly 110 hectares, is one of Tuscany's smallest and oldest appellations; Tenuta di Capezzana (the modern reference) farms approximately 100 hectares on Macigno-derived soils, producing wines from the mandatory Sangiovese-Cabernet blend that anchored the appellation's 1716 Granducato di Toscana recognition by Cosimo III de' Medici (one of the world's first wine-zone delimitations). Within Chianti Classico, Macigno appears on the easternmost ridge (Monte del Chianti) that forms the appellation's boundary with the Casentino and Valdarno; while not dominant in Chianti Classico's overall soil mosaic, Macigno-influenced parcels contribute aromatic refinement to wines from estates like Castello di Querceto.

• Chianti Rufina DOCG (~750 ha): smallest Chianti sub-zone; Sieve valley east of Florence at 200-500m; Selvapiana, Frescobaldi (Nipozzano, Pomino), Frascole
• Carmignano DOCG (~110 ha): west of Florence; Tenuta di Capezzana is the modern reference; 1716 Granducato recognition by Cosimo III de' Medici
• Monte del Chianti ridge: easternmost Chianti Classico boundary; Macigno-influenced parcels contribute aromatic refinement to wines from Castello di Querceto and others
• Macigno also appears in the Pratomagno foothills and Valdichiana zone, supporting various Tuscan DOC/IGT-level production

Macigno-grown Sangiovese consistently shows lighter color, finer tannins, perfumed aromatics, and a more delicate textural profile than its Galestro or Albarese counterparts. The soil's good drainage and moderate water retention create a balanced viticultural environment where vines do not struggle as deeply as on Galestro or Albarese, producing more accessible wines that emphasize aromatic clarity and elegance over structural density. The silica-quartz composition contributes a different mineral signature than carbonate-rich soils: where Galestro and Albarese impart sapidity and chalk-like minerality, Macigno contributes a finer aromatic precision linked to slower phenolic ripening and gentler tannin extraction. Chianti Rufina's signature style — perfumed, elegant, age-worthy Sangiovese with violet, sour cherry, and a refined floral lift — is the most distinctive expression of Macigno-grown Tuscan red. Selvapiana's Vigneto Bucerchiale Riserva (from a single Macigno-rich vineyard) is the appellation's most internationally recognized wine and demonstrates Macigno's capacity for delicate yet age-worthy expression. The wines often reward extended cellaring (15-25 years) with tertiary notes of dried flowers, tobacco, leather, and a particular kind of mineral elegance that distinguishes Rufina from the more structured Chianti Classico Riserva style.

• Macigno-grown Sangiovese: lighter color, finer tannins, perfumed aromatics (violet, sour cherry, dried rose), more delicate texture
• Good drainage and moderate water retention create balanced viticulture without the deep vine stress of Galestro or Albarese
• Silica-quartz mineral signature distinct from carbonate-driven Galestro/Albarese: finer aromatic precision rather than chalk-like sapidity
• Chianti Rufina signature style: perfumed, elegant, age-worthy with violet and refined floral lift; Selvapiana Vigneto Bucerchiale is the international reference

Chianti Rufina's reference producer is Selvapiana, owned by the Giuntini family since 1827, farming approximately 60 hectares of Macigno-dominated vineyards at 300-400 metres elevation; the flagship Vigneto Bucerchiale Riserva from a single high-altitude parcel is widely considered Rufina's definitive expression and ages gracefully for 25+ years. Frescobaldi's Castello di Nipozzano (founded in the 11th century, with the Frescobaldi family taking ownership in 1864) farms 240 hectares in Rufina, producing the Nipozzano Riserva and the single-vineyard Montesodi from Macigno-rich slopes; Castello di Pomino, also Frescobaldi-owned, focuses on white wines from Macigno soils at higher elevations. Frascole, a small family estate in Rufina farming approximately 18 hectares organically since 1996, represents the appellation's natural and biodynamic edge. In Carmignano, Tenuta di Capezzana (Bonacossi family, farming since 1925) is the modern reference, producing the Villa di Capezzana Riserva (Sangiovese-Cabernet blend) and the Vin Santo di Carmignano Riserva; Capezzana also pioneered organic farming in the appellation. The Macigno-Sangiovese expression at these estates establishes the soil's identity as the third pillar of Tuscan terroir alongside Galestro and Albarese.

• Selvapiana (Rufina, Giuntini family since 1827): 60 ha at 300-400m on Macigno; Vigneto Bucerchiale Riserva from single high-altitude parcel is Rufina's definitive expression
• Frescobaldi Castello di Nipozzano (Rufina, 11th century estate, Frescobaldi since 1864): 240 ha; Nipozzano Riserva and single-vineyard Montesodi from Macigno-rich slopes
• Frascole (Rufina, organic since 1996): 18 ha small family estate representing the appellation's natural/biodynamic edge
• Tenuta di Capezzana (Carmignano, Bonacossi family since 1925): modern reference; Villa di Capezzana Riserva (Sangiovese-Cabernet) and Vin Santo di Carmignano Riserva