Introduction
A salvage project connected to the construction of the Finesk Dam exposed a previously unknown Achaemenid-period cemetery at Mersin, in north-central Iran (Figure 1). Excavations in 2014 uncovered 15 well-preserved inhumations that anchored the site chronology (Figure 2) (Malekzadeh et al. Reference Malekzadeh2025). A later campaign (2020, with an eastward extension in 2024) enlarged the mortuary sample by 19 further graves, providing critical context for social practice and material culture in this frontier interior of the Achaemenid Empire (Malekzadeh et al. Reference Malekzadeh2020–2024).
Location of Mersin cemetery (Semnan Province) on promontory above Sefidrud at the Alborz–Dasht-e Kavir interface (figure by authors).

Figure 1 Long description
The map displays the geographic location of the Mersin cemetery situated on a promontory above the Sefidrud River at the interface of the Alborz mountain range and the Dasht-e Kavir desert in Semnan Province, Iran. Key locations such as Amol, Sari, Shahrud, Damghan, Semnan, Mersin, and Tehran are labeled. The Caspian Sea is also visible to the north.
Overview of trench 3 after excavation (2014), showing density and preservation of graves (figure by authors).

Figure 2 Long description
An aerial view of an archaeological excavation site in north-central Iran, revealing multiple graves from the Achaemenid period. The site features several rectangular grave structures, with some containing visible human remains. The graves are arranged in a somewhat orderly pattern, indicating a planned cemetery layout. The surrounding area is arid and rocky, with a few scattered rocks and a small stream visible in the background. The excavation trenches are clearly defined, showing the careful work done to uncover and preserve the graves.
Setting and use
The cemetery lies near Talajim village on a promontory overlooking the Sefidrud river, at the hinge of the Alborz Mountains and the Dasht-e Kavir desert. Its position, between mountain corridors and desert margins, helps explain both the preservation of a compact mortuary area and the cemetery’s role as a meeting ground of local and imperial traditions (Malekzadeh et al. Reference Malekzadeh2025). Although no Achaemenid-period settlement has yet been securely identified in the immediate vicinity of the cemetery, its location on a promontory overlooking the Sefidrud river suggests connections with local communities and movement along this major valley corridor.
A radiocarbon determination on human collagen from grave 13 (Poz-100848) calibrates to 519–358 BC (Hallstatt plateau), placing the cemetery squarely in the Achaemenid period (Malekzadeh et al. Reference Malekzadeh2025). The marked homogeneity of burial architecture and assemblages suggests a short duration of use, probably spanning no more than one to two generations.
Graves are single inhumations in rectangular pits, typically delimited by stone slabs at head and foot (Figure 3) and with covers that range from earthen fills to stone or burnt-wood slabs. Bodies are supine; the predominant alignment is north-west to south-east, with internal variation likely reflecting at least two phases of use. Recurring vertical stone markers and minor adjustments in face orientation, especially among female interments, may hint at a deliberate, possibly symbolic differentiation in burial treatment (Malekzadeh et al. Reference Malekzadeh2020–2024).
Sections and plan of trench 3 graves with orientations; note predominant north-west to south-east alignment (figure by authors).

Figure 3 Long description
The diagram consists of three parts, each labeled Tr.3. The top part shows a horizontal section of trench 3 with measurements in meters from 0 to 6.40, indicating the positions of graves G.13 and G.15. The middle part shows another horizontal section of trench 3 with measurements from 0 to 10 meters, indicating the positions of graves G.12 and G.19. The bottom part shows a plan view of trench 3 with measurements from 0 to 10 meters on both axes, indicating the positions and orientations of multiple graves labeled G.1 through G.15.
Assemblages: repetition and distinction
Six graves lack any associated artefacts. Among the furnished graves (n = 28), ceramics are nearly ubiquitous (27/28), with bowls, pedestal bowls, spouted pots, jars and jugs most common (Figure 4). Personal ornaments occur in roughly one-third of furnished graves (12/28) (Figure 5), while iron weapons (blades/spearheads) appear in about one-quarter (7/28) (Figure 6). These figures underscore a tightly standardised ceramic core with selective additions signalling status and role. Notably, horse-harness elements are documented in only a single burial, marking this assemblage as a clear exception within the funerary corpus.
Ceramics from graves 1, 3, 5, 10, 11 and 15: pedestal bowls, jugs, spouted pots and twin joined jars. All scale bars are 50mm (figure by E. Fausti).

Figure 4 Long description
The image displays a collection of ancient pottery artifacts from graves 1, 3, 5, 10, 11, and 15. These artifacts include pedestal bowls, jugs, spouted pots, and twin joined jars. Each artifact is labeled with a unique identifier such as G.1, G.2, G.3, G.5, G.10, G.11, and G.15. The pedestal bowls vary in shape and size, with some having a wider base and others a narrower one. The jugs and spouted pots exhibit different designs and functionalities. The twin joined jars are unique in their construction, featuring two connected jars. All artifacts are displayed against a white background with scale bars indicating a measurement of 50 millimeters.
Personal ornaments and signifiers found in graves 5, 10, 11 and 15: bronze bracelets, bronze pectoral-plaque, bell-shaped pendants, ring and silver earrings with granulation. All scale bars are 50mm (figure by E. Fausti).

Figure 5 Long description
The image displays a variety of personal ornaments and signifiers found in graves 5, 10, 11, and 15. These artifacts include bronze bracelets, a bronze pectoral-plaque, bell-shaped pendants, a ring, and silver earrings with granulation. Each item is placed on a white background with a scale bar of 50 millimeters for size reference. The artifacts are arranged in a grid format, with each item clearly labeled with a code indicating its grave of origin.
Weapons recovered during seasons 1 and 2 (iron blades and a bronze spearhead) and items of horse harness found in season 1, all from graves 15, 22 and 32. All scale bars are 50mm (figure by E. Fausti).

Figure 6 Long description
The image displays a collection of iron blades, a bronze spearhead, and horse harness items recovered from graves 15, 22, and 32. The items are arranged in different sections, with each section labeled with identifiers such as G.15, G.22, and G.32. The iron blades and spearhead are shown in detailed line drawings, while the horse harness items are depicted in both line drawings and photographs. Scale bars of 50 millimeters are included for reference.
The 2014 sample already indicated a standard repertoire: pedestal bowls, jugs and spouted pots; ‘twin’ joined small jars in select graves; bronze and iron bracelets (some with animal-head terminals); silver ear-rings decorated by granulation; bells in bronze or bronze-iron; and strings of beads in plaster, stone and glass. Spindle whorls were found in clusters in the graves of females or probable females (Malekzadeh et al. Reference Malekzadeh2025). The 2020–2024 expansion confirms this pattern while revealing subtle inflections in status signalling and gender expression (Malekzadeh et al. Reference Malekzadeh2020–2024).
Bracelets with animal-head terminals echo the elite language of Achaemenid precious-metal jewellery yet are rendered here in bronze, representing provincial translations of imperial aesthetics (Haerinck Reference Haerinck, De Meyer and Haerinck1989; Stein Reference Stein and Kozuh2014; Dan & Cesaretti Reference Dan and Cesaretti2021). Silver ear-rings with granulation are present in the graves of females and some males (Negahban Reference Negahban1986). Bells are unexpectedly frequent; whether as pastoral emblems or sonic devices in mortuary performance remains uncertain (Haerinck Reference Haerinck, De Meyer and Haerinck1989; Khalatbari Reference Khalatbari2004).
The second campaign reveals a higher incidence of iron weapons, especially within the burials of males; in a few cases, bronze seals accompany these individuals. Rather than signalling militarisation, these associations may index roles and authority within a stable community integrated into, but not dominated by, imperial institutions (Malekzadeh et al. Reference Malekzadeh2020–2024).
Gender, age and orientation
Drawing on the furnished sample (n = 28), and pending definitive osteological attributions, material patterning points to a partial structuring of grave kits: iron weapons cluster in a subset of comparatively richer graves, while spindle whorls more frequently accompany personal ornaments within complete ceramic services. The co-occurrence of weapons and spindle whorls is rare (1/28). The Mersin I sample lacks infant burials, possibly reflecting a chronological shift in inclusion criteria for non-adult individuals within local mortuary practice.
Burial assemblages associated with females are generally richer, often including bracelets (including animal-terminal forms), beads and spindle whorls. In this respect, it is noteworthy that the sole occurrence of horse-harness equipment comes from a burial anthropologically identified as female, further emphasising the exceptional character and elevated status of the individual. Iron blades/weapons, by contrast, occur more frequently in male-associated graves, which are otherwise more modestly furnished overall. Burials of juveniles are sparingly furnished.
Orientation shows consistent north-west to south-east practice, with female skulls frequently to the north-west; deviations likely represent a second deposition horizon. These patterns, already noted in 2014, are reinforced by subsequent work (Sołtysiak et al. Reference Sołtysiak2019; Malekzadeh et al. Reference Malekzadeh2020–2024; Malekzadeh et al. Reference Malekzadeh2025).
Regional comparisons and imperial reception
Close parallels exist with cemeteries in ancient Ṭabarestān (modern Gilan), where similar forms, especially of bracelets, ear-rings, bells and pedestal bowls, are attested. Such links imply participation in a littoral–mountain cultural koine extending along the south Caspian, while Mersin maintains a distinct, interior expression. Similarly, although the figurative ceramic repertoire of the Syunik region reflects primarily cultic and symbolic concerns, both Syunik and Mersin illustrate how local communities selectively reformulated supra-regional influences within distinct social and ritual frameworks (Sargsyan & Gnuni Reference Sargsyan and Gnuni2015). Notably absent is Triangle Ware, now argued to mark Orontid elites around Lakes Van, Sevan and Urmia, underscoring the probability that Mersin’s community occupied a different social register within the empire (Negahban Reference Negahban1986; Summers & Burney Reference Summers, Burney, Çilingiroğlu and Sagona2012; Dan & Cesaretti Reference Dan and Cesaretti2021).
Significance
Mersin is the first excavated Achaemenid-period cemetery in this sector of the northern Iranian plateau, providing a rare mortuary window on a provincial interior. The cemetery articulates ‘local lives, imperial signals’: it reveals provincial communities adopting, translating and curating imperial styles within durable, place-based traditions. Its compact use-life, patterned burials and curated repertoire refine how we read identity and authority far from the Achaemenid heartlands of Persepolis and Pasargadae (Malekzadeh et al. Reference Malekzadeh2025).
Acknowledgements
We thank the Iranian Centre for Archaeological Research, the local authorities of Semnan Province and the colleagues and students who contributed to fieldwork and study seasons. Permissions and logistical support are gratefully acknowledged.
Funding statement
This research received no specific grant from any funding agency or from commercial and not-for-profit sectors.
Author contributions: using CRediT categories
Mehrdad Malekzadeh: Investigation-Lead; Project administration; Funding acquisition; Writing-original draft. Reza Naseri: Data curation; Investigation; Resources; Writing-original draft; Supervision. Elena Fausti: Data curation, Formal analysis, Methodology, Writing - review & editing-Equal. Andrea Cesaretti: Data curation; Formal analysis; Methodology; Writing-original draft. Roberto Dan: Writing-original draft; Conceptualization; Methodology; Writing-review & editing; Supervision.






